- Turnertown
- Trinity Mills
- Tripp
- Tenmile
- Townsend
- Third Rancho Chico Addition Colonia
- Taft Southwest (historical)
- The Falman Colonia
- Third Hidalgo Colonia
- Tierra Buena Colonia
- Timon and Morgan Colonia
- Tradewinds Estates Colonia
- Torian
- Truby
- Turnbaugh Corner
- Tennessee
- Teaselville
- Thedford
- Tamez Colonia
- Tierra Dorada Colonia
- Tierra Linda Colonia
- Trevinos Colonia
- Trevinos Number 1 Colonia
- Triple R Colonia
- Triple R Number 1 Colonia
- The Island
- Tolosa
- Travis Ranch
- Two F Crossing
- Tres Marias