T
- Tahiti (1882–1903)
- Tajikistan (1992–)
- Tanganyika (1921–1962)
- Tannu Tuva (1926–1943, 1994–1995)
- Tanzania (1964–)
- Tasmania (1853–1912)
- Tete (1913–1914)
- Thailand (1883–)
- Thrace (1913) - no persons depicted
- Tibet (1912–1934) - no persons depicted
- Timor (1885–1970)
- Tobago (1879–1896)
- Togo (1897–)
- Tokelau (1948–1993)
- Tonga (1886–)
- Niuafo'ou (1983–)
- Transcaucasian Federated Republics (1923) - no persons depicted
- Transvaal (1869–1910)
- Trinidad (1851–1909)
- Trinidad and Tobago (1913–)
- Tripolitania (1923–1934)
- Tristan da Cunha (1952–)
- Trucial States (1961-1961)
- Tunisia (1888–)
- Turkey (1863–)
- Turkey in Asia (1920–1922)
- Turkish Republic of Northern Cyprus (1974–)
- Turkmenistan (1992–)
- Turks Islands (1867–1895)
- Turks and Caicos Islands (1900–)
- Caicos (1981–1985)
- Tuvalu (1976–)
- Tuvalu-Funafuti (1984–1988)
- Tuvalu-Nanumaga (1984–1987)
- Tuvalu-Nanumea (1984–1987)
- Tuvalu-Niutao (1984–1987)
- Tuvalu-Nui (1984–1988)
- Tuvalu-Nukufetau (1984–1988)
- Tuvalu-Nukulaelae (1984–1987)
- Tuvalu-Vaitupu (1984–1987)
Read more about this topic: List Of People On Stamps