K
- (Sligo) Killavil
- (Sligo) Kilmorgan
- (Sligo) Knockadalteen
- (Sligo) Killoran
- (Sligo) Kincuillew
- (Sligo) Kilmacteige
- (Sligo) Kilcummin
- (Sligo) Kingsmountain
- (Sligo) Kilrusheighter
- (Sligo) Killeenduff
- (Sligo) Kilmactranny
- (Sligo) Knocknacross
- (Sligo) Killerry
- (Sligo) Kilmacowen
- (Sligo) Knocknahur
- (Sligo) Keelty
- (County Leitrim) Killavanowl
- (County Leitrim) Kilclare
- (County Leitrim) Kilgarriff
- (County Leitrim) Kilnamaddyroe
- (County Leitrim) Kiltybardan
- (County Leitrim) Kilnagross
- (County Leitrim) Knocks
- (County Leitrim) Killadiskert
- (County Leitrim) Killavoggy
- (County Leitrim) Knockacullion
- (County Leitrim) Killanummery
- (County Leitrim) Killenna
- (County Leitrim) Killea
- (County Leitrim) Keeloges