Encyclopedias, Almanacs, Transcripts, and Maps
- Trubetskoi, Nikolai Sergeevich (1890–1938)
- Trubetskoi, Sergei Nikolaevich (1862–1905)
- True Path Party
- Trujillo Molina, Rafael Leónidas (1891–1961)
- Trujillo, Guillermo (1927–)
- Trujillo, Julián (1828–1883)
- Trujillo, Manuel (1846–1945)
- Truth and Falsity in Indian Philosophy
- Truth Commissions
- Truthlikeness
- Tsakhurs
- Tsakonians
- Tschirnhaus, Ehrenfried Walter von (1651–1708)
- Tsimihety
- Tsonga
- Tsuchiya, Tilsa (1932–1984)
- Tu
- Tuaregs
- Tubatulabal
- Tucumán