Authors: O
- Otoman Zar-Adusht Ha'nishd. 1936 · 4 quotes
- Ottessa Moshfeghborn 1981 · 2 quotes
- Ottis Delroy Gibsonb. 1969 · 1 quotes
- Ottneil Baartmanborn 1993 · 8 quotes
- Otto D. Tolischus1890–1967 · 1 quotes
- Otto Dix1891–1969 · 7 quotes
- Otto E. Neugebauer1899–1990 · 2 quotes
- Otto Franke1863–1946 · 1 quotes
- Otto Hahn1879–1968 · 1 quotes
- Otto Hermann Kahn1867–1934 · 3 quotes
- Otto Kerner Jr.1908–1976 · 1 quotes
- Otto Lilienthal1848–1896 · 16 quotes
- Otto Mueller1874–1930 · 6 quotes
- Otto Neurath1882–1945 · 10 quotes
- Otto Ohlendorf1907–1951 · 7 quotes
- Otto Pfleiderer1839–1908 · 4 quotes
- Otto Rank1884–1939 · 3 quotes
- Otto Skorzeny1908–1975 · 6 quotes
- Otto Stern1888–1969 · 1 quotes
- Otto Weininger1880–1903 · 28 quotes
- Otto Wels1873–1939 · 1 quotes
- Otto of Freising1111–1158 · 1 quotes
- Otto von Bismarck1815–1898 · 46 quotes
- Ottobah Cugoanob. 1757 · 5 quotes
- Ottokár Prohászka1853–1927 · 1 quotes
- Ouida1839–1908 · 7 quotes
- Oumborn 1978 · 4 quotes
- Oumar Diakitéborn 2003 · 1 quotes
- Oumarou Ganda1935–1981 · 4 quotes
- Oumou Sangaréb. 1968 · 7 quotes
- Oupa Manyisaborn 1988 · 5 quotes
- Ousman Badjieborn 1967 · 1 quotes
- Ousmane Sembène1923–2007 · 10 quotes
- Ousmane Sonkoborn 1974 · 2 quotes
- Ousseina Alidou4 quotes
- Ousseini Hadizatou Yacoubaborn 1958 · 2 quotes
- Ovadia Yosef1920–2013 · 4 quotes
- Ovid292 quotes
- Ovidio G. Assonitisborn 1943 · 1 quotes
- Owain Owain1929–1993 · 7 quotes
- Owais Shahborn 1978 · 1 quotes
- Owanari Duke1 quotes
- Owen Da Gamaborn 1961 · 30 quotes
- Owen Dolan1928–2025 · 1 quotes
- Owen Feltham1602–1668 · 8 quotes
- Owen Gingerich1930–2023 · 1 quotes
- Owen Jonesborn 1984 · 23 quotes
- Owen Lovejoyd. 1864 · 22 quotes
- Owen Omogiafoborn 1980 · 5 quotes
- Owen Seamand. 1936 · 1 quotes
- Owen Smithborn 1970 · 3 quotes
- Owen Swiny1676–1754 · 1 quotes
- Owen Wister1860–1938 · 3 quotes
- Ox Nchéb. 1995 · 9 quotes
- Oxana Corso7 quotes
- Oyekunle Opeyemi Oluwaremi2 quotes
- Oyeronke Oyewumi7 quotes
- Oyewale Tomoriborn 1946 · 4 quotes
- Oyin Oladejoborn 1985 · 7 quotes
- Oyinkan Braithwaiteborn 1988 · 8 quotes