Author	Nationality	Profession	Year
	O. Henry	American	Writer	1862 - 1910
	O. J. Simpson	American	Athlete	1947
	O. Winston Link	American	Photographer	1914 - 2001
	O.J. Simpson	American	Athlete	1947
	Octave Mirbeau	French	Writer	1848 - 1917
	Octavia Butler	American	Writer	1947 - 2006
	Octavio Paz	Mexican	Poet	1914 - 1998
	Odd Nerdrum	Norwegian	Painter	1944
	Odysseas Elytis	Greek	Writer	1911 - 1996
	Og Mandino	American	Author	1923 - 1996
	Ogden Nash	American	Poet	1902 - 1971
	Oksana Baiul	American	Athlete	1977
	Olga Korbut	Russian	Athlete	1955
	Olin Miller	American	Writer	1893 - 1972
	Olive Schreiner	South African	Writer	1855 - 1920
	Oliver Cromwell	English	Soldier	1599 - 1658
	Oliver Evans	American	Inventor	1755 - 1819
	Oliver Goldsmith	Irish	Poet	1730 - 1774
	Oliver Herford	American	Author	1863 - 1935
	Oliver Joseph Lodge	English	Physicist	1851 - 1940
	Oliver Kahn	German	Athlete	1969
	Oliver North	American	Soldier	1943
	Oliver St. John	English	Statesman
	Oliver Stone	American	Director	1946
	Oliver Tambo	South African	Politician	1917 - 1993
	Oliver Wendell Holmes Jr.	American	Jurist	1841 - 1935
	Oliver Wendell Holmes Sr.	American	Poet	1809 - 1894
	Olivier Messiaen	French	Composer	1908 - 1992
	Olivier Sarkozy	French	Businessman	1969
	Olusegun Obasanjo	Nigerian	Statesman	1937
	Olympia Brown	American	Activist	1853 - 1926
	Olympia Snowe	American	Politician	1947
	Omar Bongo	Gabonese	Statesman	1935 - 2009
	Omar Khayyam	Persian	Poet	1048 - 1131
	Omar N. Bradley	American	Soldier	1893 - 1981
	Omar Torrijos Herrera	Panamanian	Soldier	1929 - 1981
	Oprah Winfrey	American	Entertainer	1954
	Oral Roberts	American	Clergyman	1918 - 2009
	Orhan Pamuk	Turkish	Novelist	1952
	Oriana Fallaci	Italian	Journalist	1929 - 2006
	Origen		Theologian	185 - 254
	Orison Swett Marden	American	Writer	1850 - 1924
	Orlando A. Battista	American	Author	1917 - 1995
	Orlando Gibbons	English	Composer	1583 - 1625
	Orrin Hatch	American	Politician	1934 - 2022
	Orson Pratt	American	Theologian	1811 - 1881
	Orson Scott Card	American	Writer	1951
	Orville Redenbacher	American	Businessman	1907 - 1995
	Orville Wright	American	Inventor	1871 - 1948
	Osama bin Laden	Saudi Arabian	Criminal	1957 - 2011
	Osbert Lancaster	English	Cartoonist	1908 - 1986
	Oscar de la Renta	Dominican Republic	Designer	1932 - 2014
	Oscar Hammerstein	American	Writer	1895 - 1960
	Oscar Levant	American	Composer	1906 - 1972
	Oscar Robertson	American	Athlete	1938
	Oscar Wilde	Irish	Dramatist	1854 - 1900
	Oskar Kokoschka	Austrian	Artist	1886 - 1980
	Oskar Schindler	Czechoslovakian	Businessman	1908 - 1974
	Oswald Chambers	Scottish	Theologian	1874 - 1917
	Oswald Mosley	British	Politician	1896 - 1980
	Oswald Spengler	German	Philosopher	1880 - 1936
	Otto Dix	German	Artist	1891 - 1969
	Otto Frank	German	Celebrity	1889 - 1980
	Otto Friedrich	American	Writer	1929 - 1995
	Otto Hahn	German	Scientist	1879 - 1968
	Otto Rank	Austrian	Psychologist	1884 - 1939
	Otto Schily	German	Public Servant	1932
	Otto von Bismarck	German	Leader	1815 - 1898
	Otto Weininger	Austrian	Philosopher	1880 - 1903
	Ouida	English	Novelist	1839 - 1908
	Ovadia Yosef	Iraqi	Clergyman	1920 - 2013
	Ovid	Roman	Poet	43 BC - 18
	Owen Arthur	Barbadian	Statesman	1949
	Owen Chamberlain	American	Scientist	1920 - 2006
	Owen Feltham	British	Author
	Owen Glendower	Welsh	Royalty	1359 - 1416
	Owen Hart	Canadian	Entertainer	1965 - 1999