Encyclopedias, Almanacs, Transcripts, and Maps
- Theophano (c. 940–?)
- Theophano of Athens (fl. 800s)
- Theophano of Byzantium (c. 955–991)
- Théot, Catherine (d. 1794)
- Theresa (1767–1827)
- Theresa Henriques (c. 1176–1250)
- Theresa of Austria (1816–1867)
- Theresa of Liechtenstein (1850–1938)
- Theresa of Savoy (1803–1879)
- Theresa of Saxe-Altenburg (1836–1914)
- Theresa of Saxony (1792–1854)
- Therese of Bourbon (1817–1886)
- Thérèse of Lisieux (1873–1897)
- Therese of Nassau (1815–1871)
- Thermuthis (fl. 1500 BCE)
- Théroigne de Méricourt, Anne-Josèphe (1762–1817)
- Thessalonike (c. 345–297 BCE)
- Theudesinda (fl. 700)
- Thimig, Helene (1889–1974)
- Thirkell, Angela (1890–1961)