Encyclopedias, Almanacs, Transcripts, and Maps
- Constance of Arles (c. 980–1032)
- Constance of Brittany (1161–1201)
- Constance of Castile (d. 1160)
- Constance of France (fl. 1100s)
- Constance of Portugal (1290–1313)
- Constance of Sicily (1154–1198)
- Constance of Sicily (d. 1302)
- Constance of Styria (1588–1631)
- Constance of Toulouse
- Constance-Anna of Hohenstaufen
- Constantia (c. 293–?)
- Constantina (c. 321–c. 354)
- Contat, Louise (1760–1813)
- Contat, Marie (1769–1846)
- Content, Marjorie (1895–1984)
- Cook, Edith Maud (d. 1910)
- Cook, Eliza (1818–1889)
- Cooke, Anna Rice (1853–1934)
- Cooke, Rose Terry (1827–1892)
- Cookson, Catherine (1906–1998)