T
- (County Galway) Tullaghnanoon
- (County Galway) Tawnybeg
- (County Galway) Tawnagh
- (County Galway) Tarrea
- (County Galway) Tooreen
- (County Galway) Toberelatan
- (County Galway) The Fishpond Cross Roads
- (County Galway) Tonroe
- (County Galway) Toberroe
- (County Galway) Thornpark
- (County Galway) Terryland
- (County Galway) Tonabrocky
- (County Galway) Trusky
- (County Galway) Tullokyne
- (County Galway) Tonamace
- (County Galway) Tonagarraun
- (County Galway) Tooreenmanus
- (County Galway) The Bend
- (County Galway) The Green Door
- (County Galway) Tully
- (County Galway) The Bloody Hollow
- (County Galway) Tullanwicky
- (Roscommon) Tarloughmore
- (County Galway) Toombeola
- (County Galway) Traheen Bridge
- (County Galway) Tullywee Bridge
- (County Galway) Tullycross
- (Mayo County) Tanregee
- (Mayo County) Tooreen
- (Mayo County) Tierna