T
- Taft
- Tahoe City
- Tahoe Vista
- Tahoma
- Tarzana
- Tecate
- Tecopa
- Tehachapi
- Tehama
- Temecula
- Temple City
- Templeton
- The Sea Ranch
- Thermal
- Thousand Oaks
- Thousand Palms
- Three Rivers
- Tiburon
- Tomales
- Torrance
- Trabuco Canyon
- Tracy
- Trinidad
- Trinity Center
- Trona (disambiguation)
- Truckee
- Tujunga
- Tulare
- Tulelake
- Turlock
- Tustin
- Twain
- Twain Harte
- Twentynine Palms
- Twin Bridges
- Twin Peaks
- Two Harbors
Read more about this topic: List Of Communities In California