- Kerrykeel
- Kilcaddan
- Kilcar
- Kilcasey
- Kilclooney
- Kilclooney Bridge
- Kilcroghery
- Kildaragh
- Kildoney
- Kildrum
- Kilgoly
- Killea
- Killindarragh
- Killurtan
- Killybegs
- Killyclug
- Killygordon
- Killyverry
- Kilmacrenan
- Kilmonaster
- Kilrean
- Kilross
- Kincasslagh
- Kindroghed
- Kindrohid
- Kindrum
- Kingarrow
- Kinnagoe
- Kinnakillew
- Knockbrack