1,722 constituents starting with O
Page 1 of 2
- PIC ID Name
- 301874 Oakden, Charles Henry (English, active 1890s-1930s)
- 369016 Oakeley, George W. (American, active 1840s)
- 301875 Oakeley, Richard Banner (British, active 1850s)
- 301876 Oakes, A. E. (English, active 1880s-1900s)
- 301877 Oakes, George William (English, 1862-1918)
- 301878 Oakes, John P. (English, active 1920s)
- 301879 Oakes, Leon J. (American, 1877-1932)
- 356522 Oakes, M. L. (American, active 1900s-1910s)
- 356704 Oakes Photo Co. (American, active 1900s-1910s)
- 301880 Oakes, Robert S. (American, 1922-2004)
- 329163 Oakes' Vegas Studio (American, active 1930s)
- 301881 Oakey, Nathaniel (English, 1815-1892)
- 403023 Oakley, Alexander L. (American, ca. 1837-1875)
- 8704 Oakley, A. Newton (American, active 1870s)
- 329164 Oakley & Co., W. C (English, active 1870s)
- 329165 Oakley & Co., W. H. (English, active 1870s)
- 301882 Oakley, E. G., Mrs. (active 1920s)
- 301883 Oakley, G. E. (English, active 1920s-1930s)
- 301884 Oakley, Harry (active 1890s)
- 301885 Oakley, J. H. (American, born 1842)
- 301886 Oakley, O. (English, active 1850s)
- 301887 Oakley, Sarah (English, 1841-1907)
- 301888 Oakley, William Stanley (New Zealander, active 1922-1937)
- 406006 Oakman, James Milton (American, 1870-1937)
- 301889 Oakshott, George (English, 1798-1875)
- 329166 Oakshott, William & Charles (British, active 19th century)
- 301873 Oak, V. V. (active 1930s)
- 301890 Oates, Tom (American, born 1944)
- 301891 Oates, Walter (American, active 1950s)
- 301892 Oates, William Henry (English, 1837-1924)
- 301893 Oatman, E. L., Dr. (American, active 1900s)
- 360628 Oatman, Sherman N. (American, active 1940s)
- 389704 Obadia, Thierry (French, born 1971)
- 301894 Obata, S. (Japanese, active 1920s)
- 301895 Obaton, F., Dr. (French, active 1930s)
- 301896 Obayashi, K. (Japanese, active 1920s)
- 301897 Obenchain, John F. (American, active 1940s)
- 7646 Ober Brothers (American, active 1870s)
- 301898 Ober, Clara F. (American, active 1890s)
- 379505 Oberdanner, Annelies (Austrian, born 1961)
- 8162 Ober, Edwin R. (American, born 1840)
- 329167 Oberg & Armstrong (American, active 1900s)
- 329168 Obergassner KG (German, active 1960s)
- 378480 Oberholtzer, J. W. (American, active 1880s)
- 388813 Oberholzer, Obie (South African, born 1947)
- 301900 Oberkoetter, Frank (American, active 1930s)
- 329169 Oberkoetter Studios, Frank (American, active 1930s)
- 406665 Oberlin, Frank Rufus (American, 1876-1952)
- 403579 Oberlin, George W. (American, born 1847)
- 301901 Oberlin, Howard (American, active 1950s)
- 301902 Oberlin, William A. (American, active 1930s-1940s)
- 360629 Oberly, William (American, active 1940s)
- 301903 Obermayer, Rudolf (active 1890s)
- 301904 Obermeyer, Helen (American, active 1970s)
- 302349 Obermeyer, J., Dr. (German, active 1880s)
- 302350 Obermeyer, Joseph (American, 1865-1943)
- 390036 Obermeyer, Ryan (American, born 1981)
- 351027 Obermiller, P. F. (American, active 1910s)
- 302351 Obernetter, Emil (German, active 1880s-1890s)
- 302352 Obernetter, Johann Baptist (German, 1840-1887)
- 336487 Obernhummer, Alois (Austrian, active 1900s)
- 302353 Obert, Carl (American, active 1930s)
- 336488 Obert, Dick (American, active 1970s)
- 386988 Oberück, Hermine (German, born 1951)
- 387620 Oberwise, Lyle (American, 1908-1993)
- 360630 O'Betts, F. Clair (American, active 1940s)
- 302354 Obey, David, Jr. (American, active 1940s)
- 302355 Obin, Christian (French, active 20th century)
- 410540 Obino, Pedro (Brazilian, active 1890s)
- 302356 Obiols, Salvador (Spanish, born 1940)
- 379506 Obiso, Enzo (Italian, born 1954)
- 302357 Obitsch, Hermann (German, active 1890s)
- 329243 Object Design Messe-und Ladenbausysteme (German, active 1980s)
- 302358 Oblenis, Charles (American, active 1890s)
- 353921 Obma, Edgar L. (American, active 1940s)
- 329244 Oborne & Co., Edwin (English, active 1890s)
- 372554 Oborne, Edwin C. (English, 1842-1916)
- 302359 O'Boyle, William (Canadian, active 1920s)
- 302361 Obradovich, Mike (American, active 1950s)
- 302362 Obrapalska, Fortunata (Polish, 1909-2004)
- 302363 Obregon Lavin, Eduardo (Mexican, born 1950)
- 302364 Obregón, Roberto (Venezuelan, born 1946)
- 302365 Obremski, George (American, born 1947)
- 302366 Obremski, Mitchel A., Dr. (American, 1904-1980)
- 302367 O'Brien, Abigail (Irish, born 1957)
- 385561 O'Brien, Austin (American, born 1981)
- 302368 O'Brien, Brian (American, active 1930s)
- 360631 O'Brien, Clifford (American, active 1940s)
- 393467 O'Brien, Colin (English, 1940-2016)
- 302369 O'Brien, D. D. (American, active 1890s)
- 329245 O'Brien & DeGroot Co. (American, active 1920s)
- 405682 O'Brien, Delia Bridget, Miss (American, 1869-1937)
- 360632 O'Brien, Donald K. (American, active 1940s)
- 364837 O'Brien & Faxon (American, active 1840s)
- 302370 O'Brien, F. J. (American, active 1930s)
- 302371 O'Brien, Frank (American, active 1970s)
- 360633 O'Brien, George A. (American, active 1940s)
- 302372 O'Brien, G. J., Captain (American, active 1920s)
- 362764 O'Brien, Howard F. (American, active 1940s)
- 302373 O'Brien, Jack E. (American, active 1940s-1960s)
- 391377 O'Brien, James (American, active 2000s)
- 373929 O'Brien, John (English, 1840-1898)
- 418420 O'Brien, John (American, born ca. 1792)
- 365492 O'Brien, Joseph W. (American, born ca. 1832)
- 302374 O'Brien, Ken (born 1915)
- 369008 O'Brien, Marcus A. (American, active 1850s)
- 302375 O'Brien, Martin (American, born 1830)
- 302376 O'Brien, Matt (American, born 1966)
- 302377 O'Brien, Maureen C. (American, active 1990s)
- 302378 O'Brien, Michael (American, born 1962)
- 384356 O'Brien, Michael (Canadian, born 1948)
- 17556 O'Brien, Michael James (American, born 1950)
- 329246 O'Brien & Morgareidge (American, active 1930s)
- 353922 O'Brien, O'Bie (American, active 1940s)
- 343124 O'Brien, P. (American, active 1860s)
- 302380 O'Brien, Robert E. (active 20th century)
- 391519 O'Brien, Sharon (American, active 2000s)
- 302381 O'Brien, Tony (American, born 1946)
- 353923 O'Brien, Warren S. (American, active 1940s)
- 369009 O'Brien, William G. (American, active 1850s)
- 369010 O'Brien, William K. (American, active 1850s-1860s)
- 349563 O'Brien, William P. (American, active 1880s-1890s)
- 329247 Obrig Camera Co. (American, active 1890s)
- 302382 Obrist, Urs (Swiss, born 1942)
- 302383 Obrovsky, Emil (Austrian, active 1950s)
- 302360 Obr, Vladimír (Czech, born 1954)
- 302384 O'Bryan, Maggie (active 1990s)
- 353924 O'Bryan, Pat, Miss (American, active 1940s)
- 302385 O'Bryon, Michael (active 1980s)
- 329248 Observatoire de Paris (French, active 1870s)
- 410196 Obst, Ernesto (Brazilian, active 1900s)
- 413578 Obstfield, Henry (American, active 1930s)
- 302386 Ocampo, Jose M. (Philippine, active 1930s)
- 302387 Ocana, Paco (Spanish, born 1949)
- 412122 Occaña, M. (Chilean, active 1910s)
- 336489 Occhipinte, Jean (French, active 1900s)
- 391125 Occi, James (American, active 2000s)
- 302388 Ocean, Humphrey (British, born 1951)
- 302389 Ochandorena, Luis Maria (Spanish, born 1959)
- 377375 Ocheoa, Felix (American, active 1860s)
- 302390 Ochernal, M. (German, active 1900s)
- 360634 Ocheske, John J. (American, active 1940s)
- 302391 Ochiai, T. (Japanese, active 1970s)
- 356705 Ochi & Okawa (American, active 1920s)
- 336490 Ochi, Shogo (Japanese, active 1930s)
- 390781 Ochlik, Rémi (French, 1983-2012)
- 336491 Ochnio, Wlodzimierz (Polish, active 1970s)
- 302392 Ochoa, Eduardo (Spanish, born 1952)
- 302393 Ochoa, José Julián (Spanish, born 1961)
- 302394 Ochoa, Rubén (Mexican, born 1966)
- 393342 Ochoa Salinas, Avelino (Peruvian, 1900-1982)
- 302395 Ochotta, N. P. (Canadian, active 1950s)
- 386678 Ochse, Hildegard (German, 1935-1997)
- 388706 Ochs, Michael (American, born 1943)
- 302396 Ochsner, Benjamin James, Dr. (American, 1884-1953)
- 302397 Ochsner, Bjorn (Danish, born 1910)
- 302398 Ochsner, R. J. (Swiss, active 1930s)
- 336492 Ochs, Siegfried (German, active 1890s)
- 360635 Ochs, William H. (American, active 1940s)
- 302399 Ochtman, Leonard, Jr. (American, active 1940s-1950s)
- 302400 Ockenga, Starr (American, born 1938)
- 403520 Ockford, Charles L. (American, born 1846)
- 302402 O'Cleary, Michael (English, born 1938)
- 387434 Ocón, Juan (Mexican, 1890-1927)
- 336493 O'Connell-Gibbs, Jessie (American, 1932-2001)
- 391572 O'Connell, Joan-Carol (American, active 2000s)
- 13970 O'Connell, Kevin (American, born 1958)
- 360636 O'Connell, Mike (American, active 1940s)
- 302403 O'connell, Paul (active 1990s)
- 356731 O'Connell, P. J. (American, active 1920s)
- 356706 O'Connell Studio (American, active 1920s)
- 302404 O'Conner, W. K. (American, active 1930s)
- 302405 O'Connor, Bunty (Trinidadian, born 1951)
- 404370 O'Connor, Elizabeth L., Mrs. (American, born 1858)
- 329249 O'Connor Engineering Ltd. (Swiss, active 1970s)
- 407845 O'Connor, Eugene C. (American, born 1884)
- 302406 O'Connor, Florence C. (American, active 1930s)
- 302407 O'Connor, Frank V. (American, active 1910s)
- 302408 O'Connor, George F. (active 1890s)
- 405916 O'Connor, James (American, active 1870s)
- 373754 O'Connor, James Daniel (Irish, 1844-1908)
- 302409 O'Connor, Jeanne (American, born 1945)
- 302410 O'Connor, Kathy (American, born 1960)
- 360637 O'Connor, Keith (American, active 1940s)
- 302411 O'Connor, L. M. (American, active 1920s)
- 302412 O'Connor, Nancy (American, born 1957)
- 302413 O'Connor, Rosalie (American, born 1970)
- 356707 O'Connor Studio (American, active 1920s)
- 374932 O'Connor, Thomas Brady (English, born 1878)
- 369011 O'Connor, William D. (American, active 1850s)
- 336494 Ocreman, Fern. Ch. (Belgian, active 1900s)
- 379507 Octavio, Hugo Rodrigo (Brazilian, 1923-1976)
- 302414 Octors, Cécile (Belgian, born 1944)
- 392910 Oczeret (Russian, active 1920s-1930s)
- 302415 Oda, Lisa Morrison (born 1956)
- 336495 Odarenko, Todos M. (American, 1900-1975)
- 302416 Oda, Will Hiroshi (American, born 1943)
- 302417 Oddner, Georg (Swedish, 1923-2007)
- 411451 Oddo, Carlos (Chilean, 1870-1915)
- 302418 Odegaard, Rolf (Norwegian, 1884-1959)
- 351601 Odegard, Elsa (American, active 1940s)
- 353925 Odell, A. M. (American, active 1940s)
- 365691 Odell [Brooklyn, NY] (American, active 1850s)
- 360638 O'Dell, Claud D. (American, active 1940s)
- 302419 O'Dell, Dale (American, active 1990s)
- 406912 Odell, Elmer Bayard (American, 1878-1960)
- 302420 Odell, Francesca (active 1990s)
- 4157 Odell, Si (American, active 1940s)
- 405245 Odell, Stephen E. (American, born 1864)
- 369017 Odell, W. L. (American, active 1850s)
- 3094 Odelman, Carl (American, born 1944)
- 392167 Odenal, George (American, active 1940s)
- 302422 Odenbach, Marcel (active 1980s)
- 302421 Oden, Constantine, Dr. (American, active 1940s)
- 302423 Odencrants, Arvid (Swedish, 1881-1959)
- 336496 Odenhausen, Detlef (German, active 1970s)
- 329251 Odense, A/S Emulsionsplade & Filmfabrik (Danish, active 1914)
- 343855 Odenwelder, John (American, active 1860s)
- 369018 Oden, William H. (American, active 1850s)
- 360639 Oderman, Harold D. (American, active 1940s)
- 302424 Odermatt, Arnold (Swiss, born 1926)
- 387919 Odermatt, Jean (Swiss, born 1948)
- 354983 Oder, Warren R., Jr. (American, active 1940s)
- 302425 Odescalchi, Alessandro (Italian, active 1930s)
- 302426 Odescalchi, Anna (Italian, active 1930s)
- 302427 Odescalchi, Stanislao (Italian, active 1930s)
- 302428 Odescalchi, Vittoria (Italian, active 1930s)
- 302429 Odets, Walt (American, born 1947)
- 302430 Odgers, William P. (American, active 1900s)
- 302431 Odier, Albert (active 1890s)
- 302432 Odier, James (Swiss, active 1840s-1850s)
- 379508 Odijk, Erik (Dutch, active 2000s)
- 302433 Odilon, Alice (French, born 1959)
- 402204 Odiorne, Adelaide J., Mrs. (American, active 1920s)
- 8405 Odiorne & Co. (American, active 1870s)
- 407711 Odiorne, Elmer Clarence (American, 1883-1952)
- 302434 Odiorne, H. B. (American, died 1865)
- 343671 Odiorne, Henry (American, active 1850s-1860s)
- 364838 Odiorne & Perkins (American, active 1850s-1860s)
- 302435 Odiorne, William C. (American, 1881-1978)
- 407015 Odle, Guy L. (American, 1879-1968)
- 369019 Odling, John C. (American, active 1860s)
- 360640 Odom, John R. (American, active 1940s)
- 302436 O'Donnell, Bill (American, active 1980s)
- 68241 O'Donnell, Hugh E. (American, born 1897)
- 302437 O'Donnell, Joe (American, 1922-2007)
- 302438 O'Donnell, John J. (American, active 1900s)
- 404194 O'Donnell, John J. (American, born 1856)
- 336497 O'Donnell, Marian (American, active 1930s)
- 302439 O'Donnell, Ron (Scottish, born 1952)
- 302441 O'Donnell, William D. (Canadian, 1831-ca. 1902)
- 302440 O'Donnell, W. J. (American, active 1910s)
- 378385 O'Donoghue, J. B. (American, active 1880s)
- 360641 Odor, Paul (American, active 1940s)
- 302443 O'Dowd, Robert (active 1960s)
- 384720 O'Doyé, Paul (French, active 1910s-1930s)
- 412711 O´Drigor, Gmio (Chilean, active 1930s-1940s)
- 336498 Odulf, Tor-Ivan (Swedish, active 1950s)
- 379509 Odvody, Pavel (Czech, born 1953)
- 302444 O'Dwyer, Simon (Australian, born 1969)
- 302445 Oeffelein, Anton (German, 1847-1884)
- 302446 Oegg, Anna (German, active 1900s)
- 389814 Oeggerli, Martin (Swiss, born 1974)
- 302447 Oehl, Art H. (American, active 1940s-1950s)
- 903 Oehlen, Albert (German, born 1954)
- 302448 Oehler, B. J. (German, active 1950s)
- 302449 Oehler, William (Canadian, born 1949)
- 302450 Oehme, Carl Gustav (German, 1817-1881)
- 302451 Oehme, F. (German, active 1840s)
- 329252 Oehme & Jamrath (Prussian, active 1860s)
- 407536 Oehmke, Charles H. (American, 1881-1967)
- 302452 Oehrens, H. (American, active 1870s)
- 302453 Oelbaum, Zeva (American, born 1955)
- 302454 Oelman, P. H. (American, 1880-1957)
- 329253 Oelschlaeger Bros. (American, active 1900s)
- 302455 Oelsen, Bernd (German, active 1980s)
- 336499 Oelsuer, Herta (German, active 1920s)
- 302456 Oelze, Richard (German, 1900-1980)
- 386784 Oemler, Hermann Dieter (German, 1939-2011)
- 302457 Oenike, Karl (German, active 1890s)
- 302458 Oepkes, August (Dutch, active 1920s)
- 302459 Oertel, Marie-Luise (German, active 1970s)
- 302460 Oertelt, Maria (German, active 1900s)
- 350472 Oerter, H. A. (American, active 1900s)
- 350120 Oerter, Howard M. (American, active 1890s-1900s)
- 329254 Oeser & Co., Ernst (German, active 1909)
- 302461 Oeser, Karl (American, active 1930s-1940s)
- 329255 Oesterreichische Film GMBH (Austrian, active 1950s)
- 403800 Oesterreich, Robert R. (American, born 1850)
- 302463 Oesting, Paul (American, active 1900s)
- 360642 Oestreicher, Leo M. (American, 1902-1990)
- 353926 Oestreich, Lester M. (American, 1904-1963)
- 302464 Oestterreich, W. (German, active 1890s)
- 302465 Oeters, Richard (German, active 1890s)
- 353927 Oetjen, William (American, active 1940s)
- 360643 Oetjen, William H. (American, active 1940s)
- 302466 Oetling, Carl (German, active 1890s)
- 302467 Oettingen, von, Prof. (German, active 1880s)
- 413090 Oettinger, Gustavo (Chilean, born 1878)
- 353928 Oettler, William A. (American, active 1940s)
- 302468 Oettli, Max Christian (New Zealander, born 1947)
- 302469 Oetzmann, Blanche Alicia (English, born 1867)
- 302470 Oever, Martin van den (Dutch, active ca. 1990s)
- 302471 Oewel, F. W. (German, active 1900s)
- 27294 Oey, Tjeng Sit (Javanese, 1917-1987)
- 371381 O'Farrell, Tomás (Mexican, active 1850s)
- 340451 Offenberg (Dutch, active 1870s)
- 302472 Offenberg, David (American, active 1970s)
- 387378 Offenberg, Ludvig (Danish, 1863-1904)
- 302473 Offenberg, Peter A. (Norwegian, active 1930s)
- 340452 Offenstadt (French, active 1910s)
- 302475 Offermann, Doris M. (American, born 1912)
- 302474 Offer, T. J. (English, active 1920s)
- 329256 Office Central de Photographie (French, active 1880s)
- 329257 Office of War Information (American, active 1940s)
- 302476 Officer, Robert A. (American, 1890-1980)
- 377198 Officer, Thomas Story (American, active 1850s)
- 302477 Offield, James R. (American, active 1920s)
- 25610 Offner, Mortimer (American, 1900-1965)
- 302478 Offord, H. J. (English, active 1880s)
- 302479 Offord, John Milton (English, active 1900s-1910s)
- 302480 Offord, L. W. (English, active 1930s)
- 374633 Offord, Robert (English, 1839-1919)
- 351028 Offtedahl, J. J. (American, active 1910s)
- 360644 Offutt, William S. (American, active 1940s)
- 351029 Ofstie, B. G. (American, active 1910s)
- 351499 Oftedahl, O. G. (American, active 1920s-1930s)
- 350644 Oftedahl, Ole J. (American, active 1900s-1910s)
- 341555 of the B. J. Practicus (active 1910s-1920s)
- 387998 Ogaeri, Kazuma (Japanese, born 1955)
- 302481 Ogaki, I. (Japanese, active 1920s)
- 22460 Ogan, Maude De Haven (1882-1922)
- 302482 Ogasahara, Hisashi (Japanese, born 1961)
- 302483 Ogasawara, Fred Yutaka (American, born 1883)
- 356408 Ogasawara, K. K. (American, active 1910s)
- 302484 Ogawa, Elmer (American, ca. 1905-1971)
- 336500 Ogawa, Gesshu (Japanese, 1891-1967)
- 3961 Ogawa, Kazumasa (Japanese, 1860-1929)
- 336501 Ogawa, Seiyo (Japanese, 1894-1960)
- 302485 Ogawa, Takayuki (Japanese, 1936-2008)
- 302486 Ogburn, Oggi (American, born 1942)
- 3922 Ogden, Beecher (American, 1873-1963)
- 336502 Ogden, Blake (American, active 2000s)
- 302487 Ogden, Caroline (American, active 1900s-1910s)
- 329258 Ogden & Irish (American, active 1890s)
- 302488 Ogden, J. Gordon (American, active 1910s)
- 387951 Ogden, John (Australian, born 1952)
- 302489 Ogden, Perry (British, born 1961)
- 329259 Ogden & Son, B. F. (American, active 1880s)
- 343178 Ogden, Thomas J. (American, active 1860s)
- 340453 Ogerau, Charles (French, 1868-1908)
- 336503 Oger, Didier (French, active 20th century)
- 372244 Ogg, Charles Herbert (English, 1820-1888)
- 16195 Oggiano-Mitchell (American, active 1930s)
- 413888 Oggiano & Mitchell, Inc. (American, active 1930s)
- 302490 Oggiano, Ralph (American, 1903-1962)
- 405377 Oggle, John H. (American, 1866-1944)
- 302491 Ogier, A. C. (American, active 1890s)
- 376176 Ogier, E. (French, active 1870s)
- 363738 Ogilvie & Barrows (American, active 1850s)
- 302493 Ogilvie, C. (Scottish, active 1890s)
- 360645 Ogilvie, Carl B. (American, active 1940s)
- 302494 Ogilvie, Clinton (American, active 1890s)
- 302495 Ogilvie, Elmer E. (American, active 1930s)
- 302496 Ogilvie, Helen L., Miss (Scottish, active 1920s-1930s)
- 353929 Ogilvie, Robert S. (American, active 1940s)
- 302497 Ogilvie, Walter (American, active 1860s-1870s)
- 329260 Ogilvy & Co. (English, active 1920s)
- 302498 Ogilvy, J. W. (English, active 1910s)
- 302499 Ogle, Charles (American, born 1893)
- 329261 Ogle & Edge (English, active 1850s-1860s)
- 302500 Ogle, J. (American, active 1940s-1950s)
- 302502 Oglesbee, Brian (American, born 1951)
- 302503 Oglesby, Frank L. (American, active 1940s)
- 302504 Oglesby, James R. (American, active 1940s)
- 4599 Oglesby, Samuel (Welsh, ca. 1824-1879)
- 5163 Ogle, Thomas (English, 1813-1882)
- 302501 Ogle, Ursula (English, active 1930s)
- 390321 O'Gorman, Mervyn (English, 1871-1958)
- 302505 O'Gorman, William (Irish, 1873-1917)
- 379510 O'Grady, Lorraine (American, born 1934)
- 302507 Ogren, Ludwig C. (active 1900s)
- 302508 O'Hagan, James E. (American, active 1930s)
- 302509 O'Hagen, E. O. (American, active 1930s)
- 353930 O'Hallisy, V. M. (American, active 1940s)
- 302510 O'Halloran, A. (New Zealander, active 1940s)
- 336504 Ohanian, Rajak (French, active 20th century)
- 369012 O'Hara, C. M. (American, active 1860s)
- 329329 Ohara Corporation (American, active 1990s)
- 409851 Ohara, Haruo (Brazilian, 1909-1999)
- 302968 O'Hara, Henry (Canadian, active 1870s-1890s)
- 302969 Ohara, K. (American, active 1920s)
- 302970 Ohara, Ken (Japanese, born 1942)
- 336557 O'Hara, Kichiji (American, active 1920s)
- 329330 O'Hara, R. & H. (Canadian, active 1870s)
- 302971 O'Hara, Robert (Canadian, active 1870s)
- 302972 O'Hara, Tom (Canadian, active 1920s)
- 3325 O'Hare, Patrick (American, active 1990s-2000s)
- 403719 O'Harra, George W. (American, born ca. 1849)
- 302973 Ohashi, S. (Japanese, active 1920s-1930s)
- 360646 Ohaver, Keith P. (American, active 1940s)
- 2967 O'Hearn, Karen (American, born 1957)
- 302974 O'Heir, Jennifer (active 2000s)
- 302975 O'Henly, John (Canadian, active 1950s)
- 302976 O'Henly, Michael (Canadian, born 1952)
- 360647 Ohio Commercial Photograph Co. (American, active 1940s)
- 401862 Ohio-Michigan Photographer's Association (American, established 1900)
- 302977 Ohi, Shigeyoshi (Japanese, born 1966)
- 302978 Ohki, Akio (Japanese, born 1938)
- 336558 Ohkubo, Hakufu (Japanese, active 1930s)
- 302980 Ohlbaum, Isolde (German, born 1947)
- 302983 Ohlhaber, George P. (German, active 1950s)
- 302979 Ohl, J. Arthur (American, active 1890s)
- 350739 Ohlsen, E. C., Mrs. (American, active 1910s)
- 353931 Ohlson, Eskil M. (American, active 1940s)
- 387098 Ohlson Wallin, Elisabeth (Swedish, born 1961)
- 329331 Ohlwiler's Photograph Gallery (American, active 1870s)
- 379511 Ohman, Doug (American, active 2000s)
- 355761 Ohmart, Charles (American, active 1910s)
- 355713 Ohmart, C. M. (American, active 1910s)
- 329332 Ohm & Grossmann (German, active 1870s)
- 302984 Ohm, H. D. (American, 1898-1972)
- 329333 Ohnoya Shoten Co. (Japanese, active 1970s)
- 302985 Ohnstad, John (Norwegian, born 1906)
- 302986 Ohringer, Frederic (American, born 1944)
- 386253 Öhrlund, Dag (Swedish, born 1957)
- 374849 Ohrly, Theodore Dennis (English, 1850-1931)
- 369020 Ohr, Martin Luther (American, active 1850s)
- 410707 Ohrstrom & Neuhaus (Brazilian, active 1890s)
- 302987 Ohse, Fritz (German, active 1890s)
- 302988 Ohta, K. (American, active 1930s)
- 302989 Ohtake, Shinro (Japanese, born 1955)
- 302990 Ohwada, Ryo (Japanese, born 1978)
- 336561 Ohwada, Satoshi (Japanese, active 1930s)
- 388263 Ohyama, Ken (Japanese, born 1972)
- 356703 Ohya, O. Y. (American, active 1910s)
- 387563 Øiesvold, Ivar (Norwegian, 1919-1978)
- 336562 Oikawa, Katsuhiro (active 1970s)
- 350473 Oiler, F. E. (American, active 1900s)
- 329334 Oiler & Nockin (American, active 1890s)
- 388723 Oishi, Yoshino (Japanese, born 1944)
- 360648 Oistad, Jay (American, active 1940s)
- 388703 Oisteanu, Valery (American, born 1943)
- 302991 Oiticica Filho, José (Brazilian, 1906-1964)
- 336563 Oiticica, Hélio (Brazilian, 1937-1980)
- 302992 Ojala, Meg (American, active 1970s)
- 412123 Ojeda, Juan (Chilean, active 1910s)
- 411871 Ojeda, Pedro (Chilean, active 1900s)
- 6621 Ojeikere, J. D. 'Okhai (Nigerian, 1930-2014)
- 302993 Ojutkangas, Kalervo (Finnish, born 1943)
- 336565 Okada, Jiro (active 1920s)
- 336566 Okada, Kodiro (active 1930s)
- 340487 Okada Kogaku (Japanese, active 1950s)
- 336567 Okada, Koyo (Japanese, 1895-1972)
- 340488 Okam (Czechoslovakian, active 1930s)
- 336568 Okamota, Hisao (Japanese, active 1930s)
- 302994 Okamoto, J. (Japanese, active 1920s)
- 336569 Okamoto, Keitaro (active 1930s)
- 336570 Okamoto, Toyo (Japanese, active 1920s)
- 302995 Okamoto, Yoichi Robert (American, 1915-1985)
- 385009 Okamura, Akihiko (Japanese, 1929-1985)
- 388556 Okamura, Takashi (Japanese, born 1927)
- 19218 O'Kane, James (American, active 1870s-1890s)
- 376268 Okaniwa, Kisohju (Malaysian, born 1880)
- 353932 Okano, Tom K. (American, active 1940s)
- 307838 Okanoue, Toshiko (Japanese, born 1928)
- 302996 Okanoue, Toshiko (Japanese, born 1928)
- 360649 Okawa, K. (American, active 1940s)
- 329335 Okaya Optical Works (Japanese, active 1950s)
- 302997 Okazaki, Arthur (American, born 1939)
- 302998 O'Keefe, Arthur T. (American, active 1930s)
- 9298 O'Keefe, Cornelius Francis (American, 1865-1939)
- 360650 O'Keefe, Eugene (American, active 1940s)
- 329336 O'Keefe & Stockdorf (American, active 1890s)
- 360651 O'Kelley, Tom A. (American, active 1940s)
- 303000 O'Kelly, Alanna (Irish, born 1955)
- 360652 Okenica, Edward J. (American, active 1940s)
- 303001 Oken, Susan Copen (born 1941)
- 408562 Okerberg, Anna, Miss (American, active 1890s)
- 303002 Okerberg, P. E. (American, active 1940s)
- 350206 Okerblad, Emil (American, active 1890s-1920s)
- 303003 Okerbund, E. G. (American, active 1870s)
- 405917 Okerlund, E. Gustav (American, active 1870s)
- 374982 Okey, Thomas King (English, 1859-1896)
- 336571 Oki, Morihiro (active 1970s)
- 353933 Okin, Sam (American, active 1940s)
- 329337 Oklahoma Photo Supply Co. (American, active 1900s)
- 329338 Okoli-Gesellschaft (German, active 1920s)
- 329339 Okoniewski Studio (American, active 1930s)
- 353934 Okoniewski, V. (American, active 1940s)
- 353935 O'Konski, Frank A. (American, active 1940s)
- 393343 Okón, Yoshua (Mexican, born 1970)
- 414257 O. K. Photo Studio (American, active 1930s)
- 387464 Okubo, Koroku (Japanese, 1900-1936)
- 303004 Okuhara, Tetsu (American, born 1942)
- 391520 Okumura, Gale (American, active 2000s)
- 303005 Okumura, Mitsuya (Japanese, born 1951)
- 303006 Okumura, Taiko (Japanese, 1914-1995)
- 2019 Okun, Jenny (American, born 1953)
- 336572 Okura, Kayutsugn (active 1930s-1940s)
- 303007 Okura, Shunji (Japanese, born 1937)
- 336573 Okutomi, Kazu (active 1990s)
- 336574 Okuyama, Kazuhisa (Japanese, active 1970s)
- 303009 Olafsson, Magnús (Icelander, 1862-1937)
- 303010 Olalla, Felipe (Spanish, active 1930s)
- 389480 Olalla, Pedro (Spanish, born 1966)
- 336575 Olander, Albin (American, active 1920s)
- 389778 Olander, Mikael (Swedish, born 1973)
- 376790 Olan Mills Studio (American, established 1932)
- 388312 Olaonipekun, Lukman (Nigerian, born 1975)
- 303011 Olausen, Judy (American, born 1941)
- 412993 Olavarría, Humberto (Chilean, active 1940s-1950s)
- 411872 Olave, I. Segundo (Chilean, active 1900s)
- 412201 Olave, Ramón (Chilean, active 1900s-1920s)
- 412202 Olave, Valentín (Chilean, active 1900s-1920s)
- 303013 Olbert, Adam Henry (active 1890s)
- 379512 Olby, Fleur (British, born 1969)
- 336576 Olchvary, Odon (Hungarian, active 1930s)
- 375693 Olcott, Charles T. (American, born ca. 1853)
- 303016 Oldach, Herm, Dr. (German, active 1890s)
- 303014 Old, Charles (American, active 1940s)
- 303015 Old, Dominic (born 1963)
- 411417 Olden, Anna-Margrete (Norwegian, died 2005)
- 303018 Oldenberg, P. (active 1940s)
- 303020 Oldenburg, Thor S. (Swedish, active 1930s)
- 342028 Olden, Kurt A. (American, 1911-2008)
- 303021 Olderman, Richard (American, born 1937)
- 369021 Oldershaw, C. B. (American, active 1850s)
- 303022 Oldershaw, John (American, active 1860s-1870s)
- 369022 Oldershaw, S. P. (American, active 1850s)
- 7525 Oldershaw, Thomas S. (American, born 1843)
- 303023 Oldershaw, William Joseph Isaac (English, 1858-1922)
- 374127 Oldfield, Joseph (English, 1828-1897)
- 329341 Oldfield, Ltd., J. & R. (English, active 1920s)
- 405285 Oldfield, Thomas M. (American, 1865-1906)
- 353936 Oldfield, W. C. (American, active 1940s)
- 413579 Old Glass Studio (American, active 1930s)
- 3416 Oldham, Alfred V. (American, active 1910s)
- 303024 Oldham, C. D., Mrs. (English, active 1920s)
- 329342 Oldham & Cross (New Zealander, active 1900s)
- 303026 Oldham, N. (English, active 1926)
- 336577 Oldham, Nora (English, 1846-1923)
- 414097 Old Masters Associates, Inc. (American, active 1930s)
- 413580 Old Masters Studio, Inc. (American, active 1930s)
- 9952 Old Masters Studios (American, active 1920s)
- 21337 Oldoini, Virginia (Italian, 1837-1899)
- 7502 Oldroyd, Leonidas K. (American, 1844-1907)
- 7995 Oldroyd, William (American, born ca. 1820)
- 369023 Olds, Edward H. (American, 1824-1879)
- 369024 Olds, F. A. (American, active 1850s)
- 303027 Olds, Frank S. (American, active 1890s)
- 405555 Olds, Harry G. (American, born ca. 1867)
- 369025 Olds, J. Spencer (American, active 1850s-1860s)
- 360653 Olds, Marvin L. (American, active 1940s)
- 369026 Olds, O. F. (American, active 1860s)
- 365692 Olds [Terre Haute, IN] (American, active 1850s)
- 10469 Old, Toby (American, born 1945)
- 303028 Oleaga, Dario (American, born ca. 1972)
- 303029 Oleaga, Milton (American, active 1960s-1970s)
- 411873 Olea, Guillermo (Chilean, active 1900s)
- 362765 Olear, Mary (American, active 1940s)
- 303031 O'Leary, Bill (American, active 2000s)
- 342679 O'Leary & Bro. (American, active 1860s)
- 379513 O'Leary, Clair (Irish, active 2000s)
- 408563 O'Leary, Edward (American, active 1890s)
- 404195 O'Leary, Edward J. (American, born 1856)
- 303032 O'Leary, Mary J. (Irish, born 1859)
- 303030 O'Leary Simms, John Clarence (Mexican, born 1949)
- 303033 O'Leary, Thomas (Canadian, active 1860s)
- 303034 Olek, Jerzy (Polish, born 1943)
- 303035 Oleksak, Edward (active 1960s-1970s)
- 369027 Olendorf, Gerritt (American, active 1850s)
- 303036 Olen, Henry (American, active 1930s)
- 303037 Olesen, Muriel (Swiss, born 1948)
- 349173 Oleson, Anna G. (American, active 1870s-1890s)
- 3963 Oleson, Carl Oscar (American, born ca. 1886)
- 349387 Oleson, E. S. (American, active 1880s)
- 348777 Oleson, John H. (American, 1850-1881)
- 349931 Oleson, Paul (American, active 1890s)
- 303038 Oliaro, Gugliermo (Italian, active 1900s)
- 303039 Olie, Jacob (Dutch, 1834-1905)
- 303040 Oliger, Al. S. (American, active 1930s)
- 404249 Olin, Charles L. (American, 1857-1953)
- 407680 Olinger, James Irvin (American, born 1882)
- 303041 Olin, Judy (active 1970s)
- 336578 Olin, Maur. (Belgian, active 1930s)
- 336579 Olinoo, Veratti (Italian, active 1920s)
- 344491 Oliphant, Charles M. (American, active 1860s)
- 303042 Oliphant, R. (British, active 1910s)
- 303043 Oliphant, William J. (American, 1845-1930)
- 303044 Olis, Marcel (American, active 1930s)
- 388418 Olita, Ivan (Italian, born 1987)
- 411874 Olivares, Adolfo (Chilean, active 1900s)
- 411506 Olivares, José Antonio (Chilean, 1884-1948)
- 391777 Olivari, Julie (American, active 2000s)
- 387205 Olive, Edward (Irish, born 1970)
- 1820 Olive, E. Percy (American, born 1861)
- 351031 Olive, George F. (American, active 1910s)
- 409975 Oliveira, Candido Marinho (Brazilian, active ca. 1910s)
- 303045 Oliveira, Celso (Brazilian, born 1957)
- 410164 Oliveira, Cícero Canoes (Brazilian, active 1890s)
- 410574 Oliveira, Sizenando do Carmo (Brazilian, active 1900s)
- 303046 Olivella, Eduard (Spanish, born 1948)
- 329343 Olive & Partington (English, active 1890s)
- 340489 Oliver (American, active 1900s)
- 385728 Oliver, Barret (American, born 1973)
- 406005 Oliver, Caddie B., Miss (American, 1870-1936)
- 355696 Oliver, C. E. (American, active 1900s)
- 351208 Oliver, Chris (American, active 1910s-1920s)
- 303047 Oliver, Christian (American, born 1878)
- 351517 Oliver, Clyde (American, active 1920s-1950s)
- 303048 Oliver, Demetrius (American, born 1975)
- 303049 Oliver, Don Kirby (American, active 1930s)
- 303050 Oliver, Elias William (American, born ca. 1837)
- 410206 Oliver, Eutychio (Brazilian, active 1900s)
- 22455 Oliver, Francis W. (American, born 1845)
- 353937 Oliver, Grant (American, active 1940s)
- 303051 Oliver, Helen A. (American, active 1880s)
- 8623 Oliver, Henry W. (American, born ca. 1839)
- 336584 Oliverius, Ing. Frantisek (Czechoslovakian, active 1930s)
- 303066 Oliverius, M. (Czechoslovakian, active 1920s)
- 303054 Oliver, James B. (American, active 1970s)
- 369028 Oliver, James J. (American, active 1850s)
- 373831 Oliver, Jane (English, born 1851)
- 303052 Oliver, J. C. (Scottish, active 1880s)
- 351032 Oliver, J. E. (American, active 1910s)
- 303055 Oliver, Jim (American, active 1990s)
- 336582 Oliver, J. Macnee (English, active 1900s)
- 303056 Oliver, John N. (American, active 1890s)
- 303057 Oliver, John U. (American, active 1890s)
- 402079 Oliver, Joseph (American, active 1910s)
- 303058 Oliver, L. (active 1850s)
- 303059 Oliver, L. N. (American, active 1900s)
- 353938 Oliver, Louis, Mrs. (American, active 1940s)
- 356509 Oliver, M. A. (American, active 1910s)
- 303060 Oliver, Mabel L., Miss (English, active 1910s-1930s)
- 377518 Oliver, Manuel (Guatemalan, active 1850s)
- 303061 Oliver, Margaret (American, active 1910s)
- 412994 Olivero (Chilean, active 1940s-1950s)
- 365770 Oliver P. Roberts Bros. (American, active 1840s-1870s)
- 403399 Oliver, Solomon Jerome (American, born 1844)
- 355780 Oliverson, Christian (American, active 1900s-1910s)
- 303067 Oliverson, Lawrence W. (American, active 1980s)
- 303062 Oliver, St. Clair, Miss (Scottish, active 1920s)
- 406422 Oliver, Thomas H. (American, born 1873)
- 405778 Oliver, Tillie M., Mrs. (American, born ca. 1869)
- 336583 Oliver, Virgili M. (Brazilian, active 1940s)
- 303065 Oliver, Warren Mack (American, active 1900s-1930s)
- 363744 Oliver & Watkins (American, active 1850s)
- 303063 Oliver, W. F. (American, active 1900s)
- 407496 Oliver, William Edward (American, born 1880)
- 407332 Oliver, William G. (American, active 1880s)
- 303064 Oliver, William Letts (American, 1844-1918)
- 303068 Olivery, Clifford (American, active 1980s)
- 360654 Olivett, Anthony L. (American, active 1940s)
- 303069 Olivier, A. (French, active 1930s)
- 303073 Oliviera, A. (Italian, active 1900s)
- 303070 Olivier, Etienne (Belgian, 1863-1950)
- 303074 Olivieri, L. (Italian, active 1860s)
- 303071 Olivier, Pascal (French, active 20th century)
- 303072 Olivier, Rick (American, born 1957)
- 391487 Olivo, Marco (American, active 1990s-2000s)
- 350474 Olivson, Christian (American, active 1900s)
- 360655 Ollard, Harry D., Jr. (American, active 1940s)
- 303075 Ollé, Antonio V. (Mexican, active 1930s-1950s)
- 303076 Ollerenshaw, Robert G. W. (English, active 1930s)
- 303077 Olley, Alan (active 1980s)
- 379515 Olley, Jonathan (Irish, born 1967)
- 303078 Olley, W. H. J. (English, active 1860s)
- 356243 Ollie, J. A. (American, active 1910s)
- 407620 Olli, Jacob (American, 1882-1951)
- 329344 Ollington Photographers, Brian (British, active 1963-1980s)
- 407064 Olli, Nikolai (American, born 1879)
- 303079 Ollis, Karen (American, born 1958)
- 303080 Ollive, Alfred (French, active 1850s-1860s)
- 303081 Ollivier, H. M. (American, 1854-1921)
- 2020 Ollman, Arthur (American, born 1947)
- 360656 Olmes, Frank W. (American, active 1940s)
- 303082 Olmeta, Matthias (French, active 1990s)
- 385338 Olmos, Antonio (Mexican, born 1963)
- 303083 Olmstead, A. J., Dr. (American, born 1873)
- 406581 Olmstead, Clayton Earl (American, 1875-1961)
- 353939 Olmstead, E. H. (American, active 1940s)
- 405643 Olmstead, Frederick O. (American, born 1868)
- 336586 Olmstead, G. Dwoyid (American, active 1940s)
- 344342 Olmstead & H[...] (American, active 1860s)
- 343921 Olmstead, Martha E. (American, active 1860s)
- 369029 Olmstead, Oscar J. (American, active 1860s)
- 377033 Olmstead, P., & Co. (American, active 1860s)
- 403950 Olmstead, Rose K., Mrs. (American, ca. 1853-1947)
- 403299 Olmsted, John A. (American, born ca. 1842)
- 408093 Olmsted, Paul Sherman (American, born 1888)
- 303084 Olmsted, Philander A. (American, born ca. 1825)
- 303085 Olmsted, Will. O. (active 1890s)
- 407449 Olney, Clyde Charles (American, 1880-1966)
- 407065 Olney, Leo M. (American, born 1879)
- 303086 O'Loan, James C. (Irish, 1856-1915)
- 336587 O'Lochlainn, Ruan (English, active 1960s)
- 379516 Olofsson, Anneè (Swedish, born 1966)
- 391745 Olofsson, James (American, active 2000s)
- 303087 Olop, Stephen (American, 1879-1974)
- 2094 O'Loughlin, Greg (American, active 1980s-2000s)
- 411072 Olsen, A. (Norwegian, active 1870s-1890s)
- 411404 Olsen, A. L. (Norwegian, died 1901)
- 303088 Olsen, Alis (American, born 1935)
- 411194 Olsen, Alvhilde (Norwegian, born 1858)
- 411219 Olsen, Anna (Norwegian, born 1883)
- 411315 Olsen, Arne Olav (Norwegian, born 1943)
- 351033 Olsen, Beatrice (American, active 1910s)
- 376454 Olsen, Christian (Norwegian, 1813-1898)
- 351416 Olsen, Clarence E. (American, born ca. 1894)
- 350207 Olsen, D. C. (American, active 1890s-1920s)
- 348794 Olsen, Don (American, 1862-1946)
- 386410 Olsen, Erik (Norwegian, 1835-1920)
- 303089 Olsen, Fred (American, active 1910s)
- 303090 Olsen, Fred A. (American, active 1950s)
- 19358 Olsen, Halver J. (American, active 1860s)
- 373313 Olsen, Hans Adolf (Norwegian, 1866-1905)
- 303091 Olsen, Harry E. (American, active 1930s-1940s)
- 303098 Olsenius, Richard (American, born 1946)
- 26061 Olsen, J. Chr., Forlag (Danish, active 1930s)
- 303092 Olsen, Johann (American, active 1880s-1890s)
- 377479 Olsen, John Torbjorn (American, active 1860s-1880s)
- 303093 Olsen, Jorn Bohmer (Norwegian, born 1952)
- 303094 Olsen, L. A. (American, active 1910s-1920s)
- 303095 Olsen, L. E. (American, active 1940s)
- 356499 Olsen, Louis (American, active 1910s)
- 351034 Olsen, L. W. (American, active 1910s)
- 371383 Olsen, N. Christian (American, born ca. 1830)
- 410513 Olsen, Niels (Brazilian, 1843-1911)
- 351249 Olsen, Olaf J. (American, ca. 1879-1945)
- 390211 Olsen, Ole Tobias (Norwegian, 1830-1924)
- 303097 Olsen, Oscar S. (Norwegian, active 1920s-1930s)
- 303096 Olsen, O. W. (American, active 1920s)
- 351417 Olsen, P. B. (American, active 1920s)
- 393359 Olsommer, Atelier (Swiss, active 1860s)
- 411189 Olson, A. (Swedish, born 1840)
- 355514 Olson, A. A. (American, active 1900s-1910s)
- 355518 Olson, A. C. (American, active 1910s)
- 349932 Olson, A. H. (American, active 1890s)
- 360657 Olson, Albert K. (American, active 1940s)
- 401422 Olson, Albert M. (American, born 1895)
- 303100 Olson, Alver J., Lt. (American, active 1940s)
- 406296 Olson, Andrew F. (American, born 1872)
- 401753 Olson, Anna R. (American, active 1900s)
- 303099 Olson, A. P. (Canadian, active 1930s)
- 401251 Olson, Bert Julius (American, 1891-1958)
- 356712 Olson Bros. (American, active 1900s)
- 329345 Olson Bros. (American, active 1910s)
- 350475 Olson, Carrie S. (American, active 1900s)
- 405644 Olson, Charles Oscar (American, born 1868)
- 336589 Olson, Christen V. (American, active 1910s)
- 353940 Olson, C. N. (American, active 1940s)
- 360658 Olson, Dan E. (American, active 1940s)
- 336590 Olson, Delmar W. (American, active 1940s)
- 303102 Olson, Diana (American, active 1970s-1980s)
- 355894 Olson, Edna (American, active 1910s)
- 351035 Olson, Edward (American, active 1910s)
- 349388 Olson, Ella (American, active 1880s)
- 349618 Olson, Emma (American, active 1880s-1900s)
- 350476 Olson, E. N. (American, active 1900s)
- 303103 Olson, George D. (active 1970s)
- 353941 Olson, George J. A. (American, active 1940s)
- 336591 Olson, Greta (American, active 1930s)
- 351815 Olson, Halvor L. (American, 1850-1932)
- 351500 Olson, Harold A. (American, born 1897)
- 419615 Olson, Harold A. (American, active 1950s)
- 351916 Olson, Hjalmer Swen (American, born 1883)
- 350477 Olson, H. M. (American, active 1900s)
- 303104 Olson, Irving J. (American, born 1913)
- 303105 Olson, Jay Wayne (American, born 1953)
- 351036 Olson, J. C. (American, active 1910s)
- 356261 Olson, J. E. (American, active 1910s)
- 360659 Olson, J. Edwin (American, active 1940s)
- 351628 Olson, John (American, active 1940s-1950s)
- 303106 Olson, John J. (American, active 1970s)
- 391752 Olson, Julie (American, active 2000s)
- 303107 Olson, Lennart (Swedish, 1925-2010)
- 360660 Olson, Leonard A. (American, active 1940s)
- 360661 Olson, Leonard E. (American, active 1940s)
- 350478 Olson, Magnus (American, active 1900s)
- 3393 Olson, Niels Oscar (American, born 1881)
- 350645 Olson, N. J. Norman (American, active 1900s-1910s)
- 351418 Olson, O. J. (American, active 1920s)
- 348839 Olson, Olaf (American, 1883-1949)
- 351209 Olson, Ole H. (American, born ca. 1892)
- 303551 Olson, Olive A. (American, born ca. 1896)
- 351210 Olson, Oliver (American, active 1910s-1920s)
- 408060 Olson, Oscar Emil (American, 1888-1968)
- 303550 Olson, Oscar W. (American, active 1920s-1930s)
- 351037 Olson, O. William. (American, active 1910s)
- 360662 Olson, Ray V. (American, active 1940s)
- 351420 Olson, Richard (American, active 1920s)
- 303552 Olson, Ruth (American, active 1980s)
- 351211 Olson, Samuel (American, 1893-1980)
- 356711 Olson & Saros (American, active 1910s)
- 350479 Olson, S. E. (American, active 1900s)
- 350480 Olson, Simon H. (American, active 1900s)
- 353942 Olson, Theodore C. (American, active 1940s)
- 303554 Olson, Wendy (American, active 1970s)
- 303553 Olson, W. O. (American, active 1900s)
- 411292 Olsrud, Bodil (Norwegian, born 1925)
- 386256 Olsson, Björn (Swedish, born 1967)
- 329443 Olsson & Hammarqvist (Swedish, active 1920s)
- 303555 Olsson, J. F. (active 1900s)
- 27562 Olsson, J. F., & Co. (American, active 1880s-1890s)
- 303556 Olsson, Oscar (Swedish, 1880-1936)
- 390270 Olsson, Robert (Swedish, 1877-1941)
- 303557 Olszewski, Janusz (English, born 1954)
- 388232 Olszewski, Krzysztof (Polish, born 1970)
- 303558 Oltarzhevskii, Pavel Konstantinovich (Russian, active 1930s)
- 303559 Olujimi, Kambui (American, born 1976)
- 360663 Olund, Bertil (American, active 1940s)
- 360664 Olvera, Mary, Mrs. (American, active 1940s)
- 379517 Olvera, Rubén (American, born 1957)
- 303560 Olvey, Maggie (American, 1951-1994)
- 19360 Olwell, H. A. (American, active 1860s-1890s)
- 389510 Olwe, Sudharak (Indian, born 1966)
- 369031 Olwine, Abraham (American, active 1840s-1850s)
- 329444 Olympic Camera (Japanese, active 1930s)
- 356713 Olympic Studio (American, active 1890s)
- 402080 Olympic Studio, The (American, active 1910s)
- 329445 Olympus Optical Company, Limited (Japanese, active 1929-)
- 303561 Olzina, Fausto (Spanish, born 1948)
- 340500 Omag (Swiss, active 1930s)
- 303562 O'Mahony, T. D. (Irish, active 1930s)
- 336638 O'Malley, Pat (American, active 1940s-1980s)
- 336639 Oman, Heidi (American, active 1980s)
- 379518 Omar, Arthur (Brazilian, born 1948)
- 390682 Ombregt, Pieter (Belgian, 1980-2007)
- 329446 Ombres & Lumière (French, active 1900s)
- 303563 Ombuena Thous, Jose (Spanish, active 1920s)
- 303564 O'Mealy, Cliff (American, active 1980s)
- 360665 Omelianovitch, Nick (Panamanian, active 1940s)
- 390134 Omenta, Miron Bronislaw (Norwegian, 1836-1884)
- 350208 Ometh, E. E. (American, active 1890s-1920s)
- 329447 Omiya Photo Supply Co.,Ltd. (Japanese, active 1970s)
- 379519 Ommer, Uwe (German, born 1943)
- 303566 O'mordha, Sean (active 1970s)
- 303567 Omori, Katsumi (Japanese, born 1963)
- 336640 Omori, Motomichi (American, active 1950s)
- 387999 Omre, Jørn Areklett (Norwegian, born 1955)
- 303569 Omura, Katsumi (Japanese, born 1965)
- 377722 Onaka, Koji (Japanese, born 1960)
- 27498 Onchi, Koshiro (Japanese, 1891-1955)
- 303570 Oncins Aragon, Benjamín (Spanish, active 1930s)
- 303572 Ondaatje, Kim (Canadian, born 1928)
- 388125 Ondzik, Jozef (Slovak, born 1964)
- 360666 O'Neal, C. D. (American, active 1940s)
- 3235 O'Neal, Hank (American, born 1940)
- 303573 O'Neal, Hugh (American, active 1850s-1860s)
- 303574 O'Neal, Jane L. (American, born 1945)
- 369013 O'Neal, John N. (American, active 1850s-1860s)
- 303575 O'Neal, Jon T. (American, born 1957)
- 418329 O'Neal, Luther G. (American, born 1865)
- 391081 O'Neal, Michael (American, active 2000s)
- 375917 O'Neal, Tom Gundelfinger (American, born 1942)
- 303576 Oneglio, P. (Italian, active 1920s)
- 357117 O'Neil, Doris (active 1950s)
- 303577 O'Neil, Elaine (American, born 1946)
- 353943 O'Neil, Francis J. (American, active 1940s)
- 23313 O'Neil, Henry Nelson (English, 1817-1880)
- 4386 O'Neil, Hugh (American, active 1880s-1890s)
- 418209 O'Neil, James (American, active 1860s)
- 9300 O'Neil, John (American, 1834-1907)
- 4251 O'Neil, John E. (American, born ca. 1861)
- 329449 O'Neil & Kidder (American, active 1860s)
- 360668 O'Neill, Bernard J. (American, active 1940s)
- 3202 O'Neill, David A. (American, born 1948)
- 336642 O'Neill, Desmond (British, active 1960s)
- 336643 O'Neill, Dev (American, active 1970s)
- 303582 O'Neill, Frank (American, active 1960s-1970s)
- 373746 O'Neill, James A. (Irish, 1858-1912)
- 373750 O'Neill, James Alleyn (English, 1846-1918)
- 371384 O'Neill, James R. (American, 1833-1863)
- 373845 O'Neill, Jeremiah (Irish, 1834-1871)
- 374064 O'Neill, John Robert (Irish, 1823-1860)
- 360669 O'Neill, Marie R. (American, active 1940s)
- 303584 O'Neill, Michael (born 1946)
- 303585 O'Neill, Patrick (American, born 1939)
- 360670 O'Neill, Patrick M. (American, active 1940s)
- 303586 O'Neill, R. C. (American, active 1890s)
- 303587 O'Neill, Terry (English, born 1938)
- 303579 O'Neil, Michael (American, born 1946)
- 343111 O'Neil, Mike (American, active 1860s)
- 303580 O'Neil, Mrs. (Irish, active 1870s)
- 343129 O'Neil, Peter (American, active 1860s)
- 303588 O'Neil-Stefan, Maggie (active 1980s)
- 375020 O'Neil, Tyrone (English, active 1880s)
- 360667 O'Neil, W. D. (American, active 1940s)
- 329448 One Studio (active 1910s)
- 2286 Ongania, Ferdinando (Italian, 1842-1911)
- 303589 Ongeane, William (Belgian, born 1840)
- 389695 Ong, Sherman (Malaysian, born 1971)
- 371858 Onion, Alice S. F. (English, born 1842)
- 336644 Onishi, Hideo (American, active 1920s)
- 388947 Onishi, Mitsugu (Japanese, born 1952)
- 303590 Onne, Elia (Israeli, born 1954)
- 303591 Onne, Eyal (Israeli, born 1953)
- 386136 Ono, Chizu (Japanese, born 1970)
- 303592 Onodera, Yuki (Japanese, born 1962)
- 391488 Onofri, Adrienne (American, active 2000s)
- 387217 Ono, Hiroshi (Japanese, born 1971)
- 356137 Ono, H. K. (American, born ca. 1874)
- 356410 Ono, K. (American, active 1900s)
- 360671 Onoraty, Rosa (American, active 1940s)
- 336645 Ono, Tadao (Japanese, active 1930s)
- 20558 Ono, Yoko (Japanese, born 1933)
- 336647 Ono, Yoshiyuki (active 1930s)
- 303593 Onslow, Frank (English, active 1920s)
- 303594 Onslow, Miss (British, active 1910s)
- 303595 Onslow, V., Miss (English, active 1920s)
- 351038 Onstad, Roy (American, active 1910s)
- 303596 Onstott, Elmer L. (American, active 1930s-1940s)
- 388328 Ontalba, Jorge (Spanish, born 1976)
- 303597 Ontani, Luigi (Italian, born 1943)
- 303598 Ontañon Nuñez, Francisco (Spanish, 1930-2008)
- 369032 Onthank, Nathum B. (American, active 1850s-1860s)
- 303599 Onwin, Glen (English, born 1947)
- 369033 Onyett, L. C. (American, active 1850s)
- 391754 Oom, Kathi (American, active 2000s)
- 303600 Oorebeek, Willem (Dutch, born 1953)
- 303601 Oorloft, Joseph Philippe (Belgian, 1793-1861)
- 336648 Oorthuys, Cas (Dutch, 1908-1975)
- 303602 Oosterbroek, Ken (South African, 1962-1994)
- 3442 Oosterhuis, Pieter (Dutch, 1816-1885)
- 303603 Oosterlynck, Léopold (Belgian, born 1946)
- 402081 Oostersettz, Benjamin (American, active 1910s)
- 389712 Oostra, Martijn (Dutch, born 1971)
- 303604 Opaki, I. (Japanese, active 1920s)
- 401754 Opal Art Co. (American, active 1900s)
- 303605 Opalenik, Elizabeth (American, born 1947)
- 329451 Opaline Photo Co (British, active 19th century)
- 303606 Opalka, Robert J. (active 1970s)
- 303607 Opalka, Roman (French, born 1931)
- 329452 Opalste Photo Co (British, active 19th century)
- 385555 Opara, Adolphus (Nigerian, born 1981)
- 411674 Opazo, Fernando (Chilean, 1910-1997)
- 411615 Opazo, Jorge (Chilean, 1908-1979)
- 390423 Opel, Robert (American, 1939-1979)
- 303608 Openshaw, E. (English, active 1880s)
- 303609 Openshaw, Gladys, Miss (English, active 1910s-1920s)
- 303610 Openshaw, W. R. (English, active 1920s)
- 329453 Operadio Manufacturing Co. (American, active 1940s)
- 303611 Opfer, Robert M. (American, active 1940s-1950s)
- 385358 Opherden, Armin (German, born 1964)
- 303612 Ophir, Gilad (Israeli, born 1957)
- 371652 Opie, Agnes (English, born 1860)
- 303613 Opie, Catherine (American, born 1961)
- 329454 Opie & Kerr (American, active 1890s)
- 349933 Opie, W. R. (American, active 1890s)
- 303614 Opitz, Ernest E. (American, active 1930s)
- 303615 Opitz, Franz K. (Swiss, 1916-1998)
- 340504 Oplatka (French, active 20th century)
- 303616 Oplatka, Hans Ernest (Czech, 1911-1992)
- 340505 Oples (Spanish, active 1930s)
- 303617 Opotow, Susan V. (American, born 1943)
- 379520 Oppedisano, Joe (Italian, born 1954)
- 387043 Opp, Edward (American, born 1957)
- 351551 Oppek, F. J. (American, active 1930s)
- 360672 Oppel, Louis E. (American, active 1940s)
- 33237 Oppenburg (German, active 1900s-1910s)
- 384846 Oppenheim, Alexander (German, 1819-1898)
- 303619 Oppenheim, Anni (German, active 1900s)
- 31675 Oppenheim, Dennis (American, 1938-2011)
- 342849 Oppenheim, E. (American, active 1860s)
- 406768 Oppenheimer, Aaron (American, ca. 1877-1897)
- 303624 Oppenheimer, George (American, active 1890s)
- 303625 Oppenheimer, Hermann (German, active 1890s)
- 336649 Oppenheimer, Joachim (active 20th century)
- 386977 Oppenheim, Felix (Swedish, born 1950)
- 19705 Oppenheim, Kristin (American, born 1959)
- 384665 Oppenheim, Lisa (American, born 1975)
- 303622 Oppenheim, R. (German, active 1890s)
- 303623 Oppenheim, William G. (American, active 1890s)
- 390500 Oppen, Mary (American, 1908-1990)
- 342743 Opperman, August & J. C. (American, active 1860s)
- 303626 Opperman, Moritz John (English, 1853-1896)
- 303627 Oppermann, Alfred (American, active 1920s-1940s)
- 405361 Oppermann, Otto (American, born ca. 1865)
- 303628 Oppersdorf, Mathias (American, born 1935)
- 303629 Opplinger, Simone (Swiss, born 1947)
- 329455 Opposition Daguerreian Rooms (American, active 1850s)
- 329456 Opposition Photographic Gallery (American, active 1870s)
- 19366 Opposition Photographic Gallery [San Francisco, CA] (American, active 1870s)
- 303630 Opps, Francis A. (American, active 1930s)
- 9452 Oprawil & Co. (Austrian, active 1870s)
- 303631 Oprawil, E. (Austrian, died 1875)
- 340506 Opsahl (American, active 1890s)
- 351039 Opsahl, A. M. (American, active 1910s)
- 350121 Opsahl, Anton H. (American, active 1890s-1900s)
- 350188 Opsahl, Anton M. (American, active 1890s-1910s)
- 386173 Opsahl, Bjørn (Norwegian, born 1968)
- 350481 Opsahl, Helga (American, active 1900s)
- 360673 Opsitnik, Eugene (American, active 1940s)
- 329457 Optasound Corp. (American, active 1970s)
- 329450 OP/Tech USA (American, active 1980s)
- 348889 Opten, (American, active 1850s)
- 329458 Optica-Foto und Filmgeräte (German, active 1970s)
- 329459 Optical Coating Laboratory, Inc. (American, active 1990s)