| Oil Can Boyd |
Baseball player |
b. October 6, 1959 |
| OJ da Juiceman |
Rapper |
b. November 23, 1981 |
| Olavo Bilac |
Poet |
December 16, 1865 - December 28, 1918 |
| Ole Ivar Lovaas |
Psychologist |
May 8, 1927 - August 2, 2010 |
| Olga Masters |
Journalist |
May 28, 1919 - September 27, 1986 |
| Oli Thompson |
Strongman |
b. January 2, 1980 |
| Olive Wyon |
Author |
March 7, 1881 - 1966 |
| Oliver Johnson |
Author |
b. 1957 |
| Oliver Pell |
Cricket Player |
September 3, 1826 - 1891 |
| Oliver Smith |
Scenic Designer |
February 13, 1918 - January 23, 1994 |
| Oliver Smithies |
|
June 23, 1925 - January 10, 2017 |
| Oliverio Girondo |
Poet |
August 17, 1891 - January 24, 1967 |
| Olivier Sarkozy |
Banker |
b. May 26, 1969 |
| Omar Mukhtar |
|
August 20, 1858 - September 16, 1931 |
| Omer Simeon |
|
July 21, 1902 - September 17, 1959 |
| Omid Kordestani |
Businessman |
b. 1963 |
| On Joo-wan |
Actor |
b. December 11, 1983 |
| Ondino Viera |
Soccer player |
September 10, 1901 - June 27, 1997 |
| Ondrej Pavelec |
Ice hockey player |
b. August 31, 1987 |
| Ong Teng Cheong |
Singaporean Politician |
January 22, 1936 - February 8, 2002 |
| Ono no Komachi |
Poet |
825 - 900 |
| Oodgeroo Noonuccal |
Poet |
November 3, 1920 - September 16, 1993 |
| Orderic Vitalis |
Biographer |
1075 - 1142 |
| Oribe |
hairdresser |
b. 1956 |
| Orlando Figueroa |
|
b. September 9, 1955 |
| Orlando Patterson |
Sociologist |
b. June 5, 1940 |
| Orly Taitz |
Lawyer |
b. August 30, 1960 |
| Orosius |
|
385 - 420 |
| Orville Moody |
Golfer |
December 9, 1933 - August 8, 2008 |
| Osborne Reynolds |
Designer |
August 23, 1842 - February 21, 1912 |
| Oscar Brown Jr. |
Singer |
October 10, 1926 - May 29, 2005 |
| Oscar Florianus Bluemner |
|
June 21, 1867 - January 12, 1938 |
| Oscar Hertwig |
|
April 21, 1849 - October 25, 1922 |
| Oscar Ichazo |
|
b. 1931 |
| Oscar Lua |
American football player |
b. May 9, 1984 |
| Oscar Panno |
Chess Player |
b. March 17, 1935 |
| Oskar Fischinger |
Animator |
June 22, 1900 - January 31, 1967 |
| Oskar Lafontaine |
German Politician |
b. September 16, 1943 |
| Oskar Werner |
Actor |
November 13, 1922 - October 23, 1984 |
| Osmel Sousa |
Entrepreneur |
b. September 26, 1946 |
| Osonye Tess Onwueme |
Playwright |
b. September 8, 1955 |
| Oswald Grubel |
Banker |
b. November 23, 1943 |
| Othniel Charles Marsh |
|
October 29, 1831 - March 18, 1899 |
| Otis Skinner |
Actor |
June 28, 1858 - January 4, 1942 |
| Otoman Zar-Adusht Ha'nish |
|
1856 - February 29, 1936 |
| Otomo no Tabito |
Poet |
662 - 731 |
| Otomo no Yakamochi |
Poet |
718 - October 5, 785 |
| Otto Berman |
Accountant |
1889 - October 23, 1935 |
| Otto Harbach |
Lyricist |
August 18, 1873 - January 24, 1963 |
| Otto Kerner, Jr. |
Former Governor of Illinois |
August 15, 1908 - May 9, 1976 |
