Skip to main content - Ono, Kiyoko (1936–)
- Ono, Yoko (1933–)
- Onodi, Henrietta (1974–)
- Onoprienko, Galina (1963–)
- Onshi (872–907)
- Onyali, Mary (1968–)
- Onyango, Grace (1934–)
- Oomen-Ruijten, Ria G. H. C. (1950–)
- Oosterwyck, Maria van (1630–1693)
- Opara, Charity (1972–)
- Opara-Thompson, Christy (1971–)
- Opdyke, Irene (1918–2003)
- Opie, Amelia (1769–1853)
- Opie, Iona (1923–)
- Oppelt, Britta (1978–)
- Oppenheim, Méret (1913–1985)
- Oppenheimer, Jane Marion (1911–1996)
- Oppens, Ursula (1944–)
- Oraib (797–890)
- Orantes, Ana (c. 1937–1997)
