- Thomaston
- Thompson Colonia
- Thompson Grove
- Thompsons
- Thompsonville
- Thompsonville
- Thorn Hill
- Thornberry
- Thorndale
- Thorne
- Thornton
- Thorntonville
- Thornwood
- Thorp Spring
- Thrall
- Thrasher Terrace Colonia
- Three Corner Windmill
- Three Islands
- Three Lakes East
- Three Leagues
- Three Oaks
- Three Points
- Three Rivers
- Three Way
- Thrift
- Thrifty
- Throckmorton
- Thunderbird West
- Thurber
- Tidwell