- Tanbark Flats
- Tancred
- Tangair
- Tara Hills
- Tarke
- Tarpey
- Tarpey Village
- Tarzana
- Tassajara
- Tassajara Hot Springs
- Tatu
- Taurusa
- Taylor
- Taylorsville
- Teakettle Junction
- Teal
- Teal Island
- Tecate
- Tecopa
- Tehachapi
- Tehama
- Tejon Ranch
- Telegraph City
- Temecula
- Temelec
- Temescal
- Temple City
- Templeton
- Tennant
- Terminal Island