- Thomson
- Tiplady
- Tripoli
- Truthville
- Turtle Rocks
- Thorntons Corner
- Trolley Bed Road Park
- Tank Island
- Tompkins Corners
- Travers Island
- Truesdale Lake
- Thompsons Crossing
- Toziers Corner
- Triton Valley Estates Mobile Home Park
- Tannersville
- Tappan
- Tarrytown
- Terryville
- Theresa
- Thiells
- Thornwood
- Ticonderoga
- Tillson
- Tivoli
- Tonawanda
- Town Line
- Tribes Hill
- Trumansburg
- Tully
- Tupper Lake