U
- (Kerry) Upper Cloonsharragh
- (Kerry) Urlee
- (County Cork) Upton
- (County Tipperary) Upperchurch
- (County Cork) Upper Ballyinch
- (County Cork) Ullanes
- (County Cork) Ummeraboy
- (County Cork) Urraghil
- (County Cork) Upper Glanmire Bridge
- (County Cork) Upper Glanmire
- (County Cork) Upper Convamore
- (Clare) Upper Ballycotteen
- (Clare) Uggoon
- (County Cork) Unionhall