Skip to main content - O'Sullivan, Mary Kenney (1864–1943)
- O'Sullivan, Maureen (1911–1998)
- O'Sullivan, Sonia (1969–)
- O'Toole, Barbara (1960–)
- O'Toole, Maureen (1961–)
- Oakar, Mary Rose (1940–)
- Oakley, Ann (1944–)
- Oakley, Annie (1860–1926)
- Oakley, Laura (1880–1957)
- Oakley, Violet (1874–1961)
- Oancia, Ecaterina (1954–)
- Oates, Joyce Carol (1938–)
- Oatman, Olive Ann (c. 1838–1903)
- Oba, Minako (1930–)
- Oberg, Margo (1953–)
- Oberheuser, Herta (1911–1978)
- Oberhoffner, Ute
- Oberon, Merle (1911–1979)
- Ocampo, Silvina (1903–1993)
- Ocampo, Victoria (1890–1979)
