This page has been validated.
| Name | Entry in The World Factbook | |
| Tarawa | Kiribati | |
| Tartar Strait | Pacific Ocean | |
| Tasmania | Australia | |
| Tasman Sea | Pacific Ocean | |
| Taymyr Peninsula (Poluostrov Taymyra) | Soviet Union | |
| Tegucigalpa [US Embassy] | Honduras | |
| Tehran [US post not maintained, representation by Swiss Embassy] | Iran | |
| Tel Aviv [US Embassy] | Israel | |
| Terre Adélie (Adélie Land) [claimed by France] | Antarctica | |
| Thailand, Gulf of | Pacific Ocean | |
| Thessaloniki [US Consulate General] | Greece | |
| Thurston Island | Antarctica | |
| Tibet (Xizang) | China | |
| Tierra del Fuego | Argentina; Chile | |
| Tijuana [US Consulate General] | Mexico | |
| Timor | Indonesia | |
| Timor Sea | Indian Ocean | |
| Tinian | Northern Mariana Islands | |
| Tiran, Strait of | Indian Ocean | |
| Tobago | Trinidad and Tobago | |
| Tokyo [US Embassy] | Japan | |
| Tonkin, Gulf of | Pacific Ocean | |
| Toronto [US Consulate General] | Canada | |
| Torres Strait | Pacific Ocean | |
| Trans-Jordan | Jordan | |
| Transkei | South Africa | |
| Transylvania | Romania | |
| Trieste [US Consular Agency] | Italy | |
| Trindade, Ilha de | Brazil | |
| Tripoli [US post not maintained, representation by Belgian Embassy] | Libya | |
| Tristan da Cunha Group | St. Helena | |
| Trobriand Islands | Papua New Guinea | |
| Trucial States | United Arab Emirates | |
| Truk Islands | Micronesia | |
| Tsugaru Strait | Pacific Ocean | |
| Tuamotu Islands (Îles Tuamotu) | French Polynesia | |
| Tubuai Islands (Îles Tubuai) | French Polynesia | |
| Tunis [US Embassy] | Tunisia | |
| Turin [US Consulate] | Italy | |
| Turkish Straits | Atlantic Ocean | |
| Turks Island Passage | Atlantic Ocean | |
| Tyrol, South | Italy | |
| Tyrrhenian Sea | Atlantic Ocean | |
| U | Udorn [US Consulate] | Thailand |
| Ulaanbaatar | Mongolia | |
| Ullŭng-do | Korea, South | |
| Unimak Pass [strait] | Pacific Ocean | |
| United Arab Republic | Egypt; Syria | |
| Upper Volta | Burkina | |
| V | Vaduz [US post not maintained, representation from Zürich, Switzerland] | Liechtenstein |
| Vakhan (Wakhan Corridor) | Afghanistan | |
| Valencia [US Consular Agency] | Spain | |
| Valletta [US Embassy] | Malta | |
| Vancouver [US Consulate General] | Canada | |
| Vancouver Island | Canada | |
| Van Diemen Strait | Pacific Ocean | |
| Vatican City [US Embassy] | Vatican City | |
| Velez de la Gomera, Peñón de | Spain | |
| Venda | South Africa |
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