| Oseola McCarty |
|
March 7, 1908 - September 26, 1999 |
| Ostad Elahi |
|
September 11, 1895 - October 19, 1974 |
| Oswald Avery |
Physician |
October 21, 1877 - February 20, 1955 |
| Otl Aicher |
Graphic Designer |
May 13, 1922 - September 1, 1991 |
| Otsuichi |
Film writer |
b. October 21, 1978 |
| Otto Gross |
|
March 17, 1877 - February 13, 1920 |
| Otto Penzler |
Editor |
b. July 8, 1942 |
| Otto Preminger |
Theatre Director |
December 5, 1905 - April 23, 1986 |
| Otto Robert Frisch |
Physicist |
October 1, 1904 - September 22, 1979 |
| Otto Skorzeny |
Military Officer |
June 12, 1908 - July 5, 1975 |
| Ove Arup |
Structural engineer |
April 16, 1895 - February 5, 1988 |
| Owen Chamberlain |
Physicist |
July 10, 1920 - February 28, 2006 |
| Owen Gleiberman |
Film critic |
b. February 24, 1959 |
| Oz Perkins |
Actor |
b. February 2, 1974 |
| Odo of Cluny |
Abbot |
878 - November 18, 942 |
| Oenomaus |
Rebel slave |
|
| Ohad Naharin |
Dancer |
b. June 22, 1952 |
| Olaf Tyaransen |
Author |
b. February 10, 1971 |
| Olavo de Carvalho |
Philosopher |
b. April 29, 1947 |
| Oleg Romanishin |
Chess master |
b. January 10, 1952 |
| Olena Vitrychenko |
Olympic athlete |
b. November 25, 1976 |
| Oliver E. Williamson |
Economist |
b. September 27, 1932 |
| Oliver P. Smith |
General |
October 26, 1893 - December 25, 1977 |
| Oliver Stewart |
Writer |
November 26, 1896 - 1976 |
| Oliver Wolcott |
Former Governor of Connecticut |
November 20, 1726 - December 1, 1797 |
| Olivia De Berardinis |
Artist |
|
| Olivia Hussey |
Film actress |
b. April 17, 1951 |
| Olli Rehn |
Finnish Politician |
b. March 31, 1962 |
| Omar Vizquel |
Baseball Coach |
b. April 24, 1967 |
| Omer Bartov |
Professor |
b. April 17, 1954 |
| Orlando Rodriguez |
Soccer player |
b. August 9, 1984 |
| Orny Adams |
Actor |
b. November 10, 1970 |
| Orson Squire Fowler |
|
October 11, 1809 - August 18, 1887 |
| Oscar Ameringer |
Author |
1870 - November 5, 1943 |
| Oscar Handlin |
Historian |
September 29, 1915 - September 20, 2011 |
| Oscar Milosz |
Poet |
May 28, 1877 - March 2, 1939 |
| Oscar Zeta Acosta |
Attorney |
April 8, 1935 - 1974 |
| Oskar Homolka |
Film actor |
August 12, 1898 - January 27, 1978 |
| Oskar Schlemmer |
Painter |
September 4, 1888 - April 13, 1943 |
| Ossian Everett Mills |
|
February 16, 1856 - December 26, 1920 |
| Oswald Barron |
|
January 3, 1868 - September 24, 1939 |
| Owain Glyndwr |
Defender |
1355 - 1416 |
| Owen Hargreaves |
Soccer player |
b. January 20, 1981 |
| O. P. Kretzmann |
Author |
May 7, 1901 - September 14, 1975 |
| Octave Pirmez |
|
b. 1832 |
| Octavius Black |
|
b. May 2, 1968 |
| Oda Nobunaga |
Daimyo |
June 23, 1534 - June 21, 1582 |
| Odile Decq |
|
b. July 18, 1955 |
| Ogyu Sorai |
Philosopher |
March 21, 1666 - February 28, 1728 |
| Oh Eun-young |
|
b. 1985 |
