L
- (County Cork) Laharan
- (County Cork) Leader’s Bridge
- (County Cork) Laharan Cross Roads
- (County Cork) Lackanamona
- (County Cork) Lismire
- (County Cork) Laragh
- (County Cork) Lehenagh
- (County Cork) Letter
- (County Cork) Lisselan
- (County Cork) Laherne
- (County Cork) Lissarourke
- (County Cork) Lissardagh
- (County Cork) Lurrig
- (County Cork) Lissagraffin
- (County Cork) Lusk Island
- (County Cork) Letter
- (County Cork) Loughure Island
- (County Cork) Lackareagh
- (Kerry) Lamb’s Island
- (Kerry) Loher
- (Kerry) Lauragh Bridge
- (County Cork) Lissarnona
- (County Cork) Laheratanvally
- (County Cork) Lightford
- (County Cork) Lisheennapingina
- (County Cork) Lissaclarig
- (County Cork) Letter
- (County Cork) Lisheennacreagh
- (County Cork) Lake View
- (County Cork) Lissangle