- Laherne
- Lake View
- Lakeland
- Landscape
- Laragh
- Larehill Cross Roads
- Leadawittin
- Leader’s Bridge
- Leamlara
- Leap
- Leary’s Cross Roads
- Lehanagh
- Lehenagh
- Leitry Bridge
- Letter
- Letter
- Letter
- Letterlicky Bridge
- Lickowen
- Lightford
- Linnamilla Bridge
- Lisbealadea
- Liscarrigane
- Liscarroll
- Lisduff
- Lisgoold
- Lisheen
- Lisheen Bridge
- Lisheennacreagh
- Lisheennapingina