Encyclopedias, Almanacs, Transcripts, and Maps
- Thais (fl. 331 BCE)
- Thalestris (fl. 334 BCE)
- Thant, Mme
- Tharpe, Rosetta (1915–1973)
- Thatcher, Margaret (1925—)
- Thaxter, Celia Laighton (1835–1894)
- The Ladies of Llangollen
- Theano (fl. 6th c. BCE)
- Theano II (fl. 5th c. BCE)
- Thebom, Blanche (1918—)
- Thecla (c. 775–c. 823)
- Thecla (c. 823–c. 870)
- Thecla (fl. 1st c. CE)
- Theoctista (c. 740–c. 802)
- Theodelinda (568–628)
- Theodelinde (1814–1857)
- Theodora (c. 500–548)
- Theodora (d. 304)
- Theodora (fl. early 900s)
- Theodora (fl. late 900s)