K
- (County Waterford) Knockboy
- (County Cork) Kilgullane
- (County Cork) Killee Bridge
- (County Cork) Knockagarry
- (County Cork) Killaclug
- (Limerick City and County Council) Kilcruaig
- (Limerick City and County Council) Keale
- (County Cork) Knockanevin
- (County Cork) Knocknamuck
- (Limerick City and County Council) Kilglass
- (Limerick City and County Council) Knocknascrow
- (Limerick City and County Council) Keeloges
- (County Tipperary) Knockavadeen
- (County Tipperary) Knocknabrona
- (County Tipperary) Kilnamona
- (County Tipperary) Kilcarroon
- (County Tipperary) Killcatin
- (County Tipperary) Kilbeg
- (County Tipperary) Kilcoran
- (County Tipperary) Kildanoge
- (County Tipperary) Knockballiniry
- (County Tipperary) Killaidamee
- (County Tipperary) Kilcommon
- (County Tipperary) Knockmorris
- (County Waterford) Kilmaloo
- (County Waterford) Kilgabriel
- (County Waterford) Knockanearis
- (County Waterford) Kilcolman
- (County Waterford) Kielys Cross Roads
- (County Waterford) Khakitown