- Thornbury Hunt
- Tinicum Island (historical)
- Municipio de Tinicum
- Toft Woods
- Twin Creeks at Mendenhall
- Twin Oaks
- Tambine
- Tapawingo
- Threemile
- Toby
- Thornton Junction
- Tracy
- Thompson Number 1
- Thompson Number 2
- Tippecanoe
- Tower Hill Number One
- Tower Hill Number Two
- Trotter
- Troytown
- Tuckertown
- Truemans
- Trunkeyville
- Temple
- Thompson
- Troy
- Thompson
- Troy
- Taylor
- Thompsonville
- Tioga