Skip to main content - Orbell, Margaret (1934–)
- Orchard, Sadie (c. 1853–1943)
- Orcutt, Edith (c. 1918–1973)
- Orcutt, Maureen (b. 1907)
- Orczy, Emma (1865–1947)
- Ordonówna, Hanka (1904–1950)
- Ordway, Katharine (1899–1979)
- Orelli, Susanna (1845–1939)
- Oremans, Miriam (1972–)
- Organ, Diana (1952–)
- Orgeni, Aglaja (1841–1926)
- Orkin, Ruth (1921–1985)
- Orlando, Mariane (1934–)
- Orlova, Liubov (1902–1975)
- Ormani, Maria (fl. 1453)
- Ormerod, Eleanor A. (1828–1901)
- Oros, Rozalia (1963–)
- Orpah (fl. 1100 BCE)
- Orphee, Elvira (1930–)
- Orr, Alice Greenough (1902–1995)
