K
- (Wicklow) Knocknamuck
- (Wicklow) Knockaderry Cross Roads
- (Wicklow) Kelsha Bridge
- (Wicklow) Knockandarragh
- (Wicklow) Killybeg
- (Laois) Kennel Cross Roads
- (Laois) Kilbride
- (Kildare) Kingsbog
- (Kildare) Kilboggan Cross Roads
- (Kildare) Kilrush
- (Kildare) Kilgowan
- (Wicklow) Kilbaylet
- (Uíbh Fhailí) Kilnahown Bridge
- (Uíbh Fhailí) Kilcappagh
- (Kildare) Kilmoney South
- (Uíbh Fhailí) Killoneen
- (Uíbh Fhailí) Kilcumber Bridge
- (Kildare) Kilnabooley
- (Kildare) Killinthomas
- (Kildare) Kilwarden
- (Uíbh Fhailí) Killure
- (Uíbh Fhailí) Killowen
- (Kildare) Kilrainy Cross Roads
- (Kildare) Killinagh
- (Kildare) Kishawanny
- (Kildare) Killyon
- (Kildare) Kilmore
- (Kildare) Kilmurry
- (Kildare) Kealstown
- (Meath) Knockpatulla