United States Quotes
- Oil Can Boyd 1959 -
- OJ da Juiceman 1981 -
- Oksana Masters 1989 -
- Ol' Dirty Bastard 1968 - 2004
- Olaf Carlson-Wee 1990 -
- Olaus Murie 1889 - 1963
- Ole Ivar Lovaas 1927 - 2010
- Olen Steinhauer 1970 -
- Olesya Rulin 1986 -
- Oleta Adams 1953 -
- Olin Miller -
- Olive Ann Burns 1924 - 1990
- Oliver B. Greene 1915 - 1976
- Oliver Cowdery 1806 - 1850
- Oliver DeMille 1968 -
- Oliver E. Williamson 1932 - 2020
- Oliver Ellsworth 1745 - 1807
- Oliver Emberton -
- Oliver Evans 1755 - 1819
- Oliver Hardy 1892 - 1957
- Oliver Herford 1863 - 1935
- Oliver Hudson 1976 -
- Oliver North 1943 -
- Oliver Platt 1960 -
- Oliver Stone 1946 -
- Oliver Tree 1993 -
- Oliver Wendell Holmes, Jr. 1841 - 1935
- Oliver Wendell Holmes, Sr. 1809 - 1894
- Olivia Culpo 1992 -
- Olivia Holt 1997 -
- Olivia Jade Giannulli 1999 -
- Olivia Munn 1980 -
- Olivia Thirlby 1986 -
- Olivia Wilde 1984 -
- Olubankole Wellington 1981 -
- Olympia Brown 1835 - 1926
- Olympia Dukakis 1931 - 2021
- Olympia Snowe 1947 -
- Om Malik 1966 -
- Omar Ahmad 1959 -