- Liskenny
- Lisluinaghan
- Lismorahaun
- Lismuse
- Lisnafana
- Lisroe
- Lissalougha
- Lissycasey
- Loughamiddaun
- Lower Ballycotteen
- Luagh
- Labbacallee
- Labbamolaga
- Lackanamona
- Lackanastooka
- Lackareagh
- Lackavane
- Lackendarragh North
- Lackendarragh South
- Lacklity
- Lacknahaghny
- Lady’s Odell
- Ladysbridge
- Laghtneill
- Lahakinneen
- Laharan
- Laharan Cross Roads
- Lahard
- Lahardane
- Laheratanvally