- Knocknadaula
- Knocknafaska
- Knocknagreana
- Knocknalee
- Knockranny
- Knockroe
- Kylebeg
- Kylebrack
- Kylegarriff
- Kylemare
- Kylemore
- Kylemore Bridge
- Kylesa
- Keeloges
- Keshcarrigan
- Kilclare
- Kilcoon
- Kilcoosy
- Kilgarriff
- Killadiskert
- Killaleen
- Killananima
- Killanummery
- Killarga
- Killargue
- Killavanowl
- Killavoggy
- Killea
- Killeen
- Killegar