K
- (County Cork) Knightsgrove
- (County Cork) Killare
- (County Cork) Killabraher
- (County Cork) Knockardbane
- (County Cork) Knockagolig
- (County Cork) Kilberrihert
- (Limerick City and County Council) Knocktoosh
- (County Cork) Knocksavane
- (County Cork) Knockeel
- (County Cork) Kilknockare
- (County Cork) Knockanebane
- (County Cork) Knockskagh
- (County Cork) Knock
- (County Cork) Kilmoylerane South
- (County Cork) Killavarrig
- (County Cork) Kilshinahan
- (County Cork) Kilkerran
- (County Cork) Kilcolman
- (County Cork) Kilcoman
- (County Cork) Killaneer Cross Roads
- (County Cork) Kilbrona Cross Roads
- (County Cork) Killountain
- (County Cork) Killountane
- (County Cork) Knockroe
- (County Cork) Knoppoge Bridge
- (County Cork) Killanamaul
- (County Cork) Kilcawha
- (County Cork) Knocknamanagh
- (County Cork) Killowen
- (County Cork) Kilbeg