Authors: O
- Onyeka Ibezimborn 1978 · 1 quotes
- Onyeka Igweborn 1986 · 7 quotes
- Onyeka Nwelueborn 1988 · 5 quotes
- Onyeka Onwenu1952–2024 · 5 quotes
- Onyekachi Nwebonyiborn 1981 · 10 quotes
- Onyesoh Alwellborn 1960 · 4 quotes
- Onyinye Ough3 quotes
- Opah Clementborn 2001 · 3 quotes
- Opal Tometiborn 1984 · 8 quotes
- Ophelia Crosslandborn 1983 · 4 quotes
- Oppah Muchinguriborn 1958 · 4 quotes
- Oprah Winfreyborn 1954 · 23 quotes
- Opral Bensonborn 1935 · 4 quotes
- Orani João Tempestaborn 1950 · 2 quotes
- Oratile Mokwenaborn 2001 · 1 quotes
- Orazio Marucchi1852–1931 · 1 quotes
- Orde Charles Wingate1903–1944 · 1 quotes
- Orderic Vitalisd. 1140 · 1 quotes
- Ordway Tead1891–1973 · 5 quotes
- Orefitlhetse Masire1 quotes
- Oren Etzioniborn 1964 · 9 quotes
- Oreoluwa Lesi10 quotes
- Orest Subtelny1943–2016 · 1 quotes
- Oreste Benzi1925–2007 · 7 quotes
- Orestes Brownson1803–1876 · 3 quotes
- Orhan Pamukborn 1952 · 22 quotes
- Oriana Fallaci1929–2006 · 11 quotes
- Orie Rogo Manduli1948–2021 · 3 quotes
- Orietta Bertiborn 1943 · 2 quotes
- Origen184–254 · 23 quotes
- Oris Aigbokhaevbolo1 quotes
- Orison Swett Marden1848–1924 · 1 quotes
- Orji Uzor Kaluborn 1960 · 1 quotes
- Orjinta Nnaemeka Orjiborn 1978 · 5 quotes
- Orkhontuya Batjargal1 quotes
- Orlando Antoniniborn 1944 · 1 quotes
- Orlando Bloomborn 1977 · 1 quotes
- Orlando Pattersonborn 1940 · 2 quotes
- Ormsby M. Mitchel1810–1862 · 1 quotes
- Orna Berryb. 1949 · 3 quotes
- Ornella Vanoni1934–2025 · 11 quotes
- Ornette Coleman1930–2015 · 5 quotes
- Oroma Elewa2 quotes
- Oronike Odeleye1979–1980 · 9 quotes
- Orosius375–420 · 3 quotes
- Orrin H. Pilkey1934–2024 · 2 quotes
- Orrin Hatch1934–2022 · 1 quotes
- Orshi Drozdikborn 1946 · 7 quotes
- Orson Pratt1811–1881 · 4 quotes
- Orson Scott Cardborn 1951 · 335 quotes
- Orson Welles1915–1985 · 24 quotes
- Orville Peckborn 1988 · 2 quotes
- Orville Wright1871–1948 · 11 quotes
- Ory Okolloh5 quotes
- Osai Ojigho2 quotes
- Osama bin Laden1957–2011 · 35 quotes
- Osami Nagano1880–1947 · 1 quotes
- Osamu Dazai1909–1948 · 188 quotes
- Osamu Shimomura1928–2018 · 1 quotes
- Osamu Tezuka1928–1989 · 9 quotes