United States Quotes
- Omar Alfredo Rodríguez-López 1975 -
- Omar Amanat 1972 -
- Omar Benson Miller 1978 -
- Omar Credle 1971 -
- Omar Dorsey 1975 -
- Omar Epps 1973 -
- Omar N. Bradley 1893 - 1981
- Omari Hardwick 1974 -
- Omri Katz 1976 -
- Oneohtrix Point Never 1982 -
- Opal Tometi 1984 -
- Oprah Winfrey 1954 -
- Oral Roberts 1918 - 2009
- Oren Peli 1970 -
- Orison Swett Marden 1848 - 1924
- Orlando Brown 1987 -
- Orlando Cepeda 1937 -
- Orlando Jones 1968 -
- Ornette Coleman 1930 - 2015
- Orrin Hatch 1934 - 2022
- Orson F. Whitney 1855 - 1931
- Orson Pratt 1811 - 1881
- Orson Scott Card 1951 -
- Orson Welles 1915 - 1985
- Orville Redenbacher 1907 - 1995
- Orville Wright 1871 - 1948
- Oscar De La Hoya 1973 -
- Oscar Hammerstein II 1895 - 1960
- Oscar Hijuelos 1951 - 2013
- Oscar Isaac 1979 -
- Oscar Levant 1906 - 1972
- Oscar Munoz 1959 -
- Oscar Nunez 1958 -
- Oscar Robertson 1938 -
- Osman Rashid 1970 -
- Ossie Davis 1917 - 2005
- Otis Blackwell 1931 - 2002
- Otis Redding 1941 - 1967
- Otis Rush 1935 - 2018
- Otis Williams 1941 -