| Keyword | Type | See | See also | Notes | 
|---|---|---|---|---|
| Turners syndrome | Keyword | |||
| Turquoise | Keyword | |||
| Turtles | Keyword | |||
| Turu | Ethnic group | |||
| Turung | Ethnic group | |||
| Tuscarora | Ethnic group | |||
| Tusia | Ethnic group | |||
| Tuski language | Keyword | Chukchi language | ||
| Tutchone | Ethnic group | |||
| Tutsi | Ethnic group | |||
| Tuva | Place | Russian Federation | ||
| Tuvalu | Country | |||
| Tuxa | Ethnic group | |||
| Tver Oblast | Place | Russian Federation | ||
| Twelfth century | Keyword | |||
| Twentieth century | Keyword | |||
| Twenty-first century | Keyword | |||
| Twinning | Keyword | |||
| Twins | Keyword | |||
| Two-spirits | Keyword | Transvestism;Gender role and identity | ||
| Tyokossi | Ethnic group | Chokossi | ||
| Typefaces and fonts | Keyword | |||
| Typhoid fever | Keyword | |||
| Typology | Keyword | |||
| Tyrolese | Ethnic group | |||
| Tyumen Oblast | Place | Russian Federation | ||
| Tzeltal | Ethnic group | |||
| Tzeltal language | Keyword | |||
| Tzintzuntzan site | Place | |||
| Tzoneca | Ethnic group | Tehuelche | ||
| Tzotzil | Ethnic group | |||
| Tzotzil language | Keyword | |||
| Tzutuhil language | Keyword |