- Tahilla
- Talbot’s Bridge
- Tallow
- Tallowbridge
- Tallycreen Bridge
- Tankardstown
- Tankardstown
- Tannersrath
- Tanyara Bridge
- Tar Bridge
- Tarbert
- Tarbert Island
- Tarmon
- Tarmon
- Tarrant’s Cross Roads
- Tattans Glen
- Taur
- Tawlaght
- Tawnies
- Tearaght Island
- Tedagh
- Teer
- Teeranearagh
- Teeravane
- Teerelton
- Teermaclane
- Teernaboul
- Teernacloghane
- Teernahilla
- Teernahillane