- Teeboy
- Tirlahode Lower
- Tober
- Toberlyan
- Tonyduff
- Treehog Cross Roads
- Trinity Island
- Tuam Island
- Tullycoe
- Tullynamoyle
- Tullyvin
- Tangaveane
- Taughboy
- Tawny
- Tawny
- Teelin
- Templemoyle
- Termon
- The Point
- Thompsons Town
- Three Trees
- Tieveborne
- Tievelough
- Tievemore
- Tieveragh
- Tirinisk
- Tirraboy
- Tober
- Toberkeen
- Tonduff