Encyclopedias, Almanacs, Transcripts, and Maps
- Tyson, Michael Gerard ("Mike"; "Iron Mike")
- Tyus, Wyomia
- Tz'utujil
- Tz'utujil
- Tzeltal
- Tzendal Rebellion
- Tzotzil and Tzeltal of Pantelhó
- Tzotzil of Chamula
- Tzotzil of San Andres Larraínzar
- Tzotzil of San Bartolomé de los Llanos
- Tzotzil of Zinacantan
- U AND NON-U
- Uaxactun (Waxactun)
- Ubico y Castañeda, Jorge (1878–1946)
- UCLES
- Udis
- Ugandans
- Ugarte, Manuel (1878–1951)
- Ugarte, Marcelino (1860–1929)
- Ukrainian Americans