- Tinny Park
- Toberdan
- Tonregee
- Tonrevagh
- Toobracken
- Toomanagh
- Tullaghanmore
- Tullaghanrock
- Tully
- Tully
- Tullytawen
- Tulsk
- Tumna
- Turlagharee
- Turlaghmamaddy
- Tanrego Intake
- Tap
- Tawnagh
- Tawnagh
- Tawnaghmore
- Tawnalghta
- Tawnalion
- Tawnaneilleen
- Tawnavoultry
- Tawnyany
- Tawnymucklagh
- Tawran
- Teesan
- Templbree
- Templeboy