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| Lake Name (short) | Lake Name (in full) | Country |
|---|---|---|
| Taal | Lake Taal | Philippines |
| Tahoe | Lake Tahoe | USA |
| Tai | Lake Tai | China |
| Takiyuak | Takiyuak Lake | Canada |
| Tana | Lake Tana | Ethiopia |
| Tanganyika | Lake Tanganyika | Burundi / Congo ( Dem. Rep. ) / Tanzania / Zambia |
| Tangra | Lake Tangra | China |
| Taquarucu | Taquarucu Reservoir | Brazil |
| Tarbela | Tarbela Reservoir | Pakistan |
| Tasek Bera | Tasek Bera ( Bera ) | Malaysia |
| Taupo | Lake Taupo | New Zealand |
| Taymyr | Lake Taymyr | Russia |
| Tazawa | Lake Tazawa | Japan |
| Tchardarinskoye | Tchardarinskoye Reservoir | Kazakhstan |
| Tega-numa | Tega-numa | Japan |
| Tengiz | Tengiz | Kazakhstan |
| Terhiyn Tsagaan | Lake Terhiyn Tsagaan | Mongolia |
| Terinam | Lake Terinam | China |
| Terminos | Terminos Lagoon | Mexico |
| Teshekpuk | Teshekpuk Lake | USA |
| Tharthar | Lake Tharthar | Iraq |
| The West | The West Lake ( Xi Hu ) | China |
| Thingvalla | Lake Thingvalla | Iceland |
| Titicaca | Lake Titicaca | Bolivia / Peru |
| Tjeuke meer | Tjeuke meer | Netherlands |
| Toba | Lake Toba | Indonesia |
| Todos los Santos | Lake Todos los Santos | Chile |
| Tonle Sap | Tonle Sap | Cambodia |
| Topopyozerskoye | Topopyozerskoye Reservoir | Russia |
| Torrens | Lake Torrens | Australia |
| Towada | Lake Towada | Japan |
| Toya | Lake Toya | Japan |
| Trasimeno | Lake Trasimeno | Italy |
| Traunsee | Lake Traunsee | Austria |
| Tres Irmaos | Tres Irmaos Reservoir | Brazil |
| Trummen | Lake Trummen | Sweden |
| Tsimlyansk | Tsimlyansk Reservoir | Russia |
| Tucurui | Tucurui Reservoir | Brazil |
| Tulsi Lake | Tulsi Lake | India |
| Tumba | Lake Tumba | Congo ( Dem. Rep. ) |
| Tungabhadra Reservoir | Tungabhadra Reservoir | India |
| Turkana | Lake Turkana ( Rudolf ) | Ethiopia / Kenya |
| Tuz | Lake Tuz | Turkey |
| Twin | Twin Lakes | USA |