- Killenna
- Killenna Glebe
- Kilmore
- Kilnagross
- Kilnamaddyroe
- Kiltoghert
- Kiltybardan
- Kiltyclogher
- Kinlough
- Kinnara Glebe
- Knockacullion
- Knocknacoska
- Knocks
- Knocknacarra
- Knocknalower
- Keel
- Keel West
- Keelkill
- Keeloges
- Keeloges
- Keeloges
- Keem
- Keenagh
- Kell East
- Kid Island
- Kid Island East
- Kilbree Lower
- Kilbree Upper
- Kilbrenan
- Kilbride