- Tyler Lake Heights
- Terramaugus Island
- Thatchbed Island
- Tiffany Hill Corner
- Twin Islands
- Tylerville
- Taunton Rock
- The Chimneys
- The Thimbles
- Three Quarters Rock
- Totoket
- Town Plot Hill
- Tracy
- Tuxis Island
- Twin Rocks
- Thames View
- Thamesville
- Threefoot Rock
- Town Landing
- Trails Corner
- Twin Brothers
- Twotree Island
- Talcottville
- Taftville
- Thomaston
- Titicus
- Topstone
- Terryville
- Thompson
- Tariffville