L
- (Roscommon) Lisduff
- (Roscommon) Lisdrumneill
- (Roscommon) Lisdrumneill Cross Roads
- (Roscommon) Leitrim
- (Roscommon) Lugakeeran
- (Roscommon) Lissananny
- (Roscommon) Lecarrow
- (Roscommon) Lissydaly
- (Roscommon) Leveelick
- (Roscommon) Loughglinn Demesne
- (Sligo) Lisseneagh
- (Sligo) Lavagh
- (Sligo) Longford Demesne
- (Sligo) Laragh
- (Sligo) Lisnarawer
- (Sligo) Lismacbryan
- (Sligo) Lugbaun
- (Sligo) Larkhill
- (Sligo) Lisnagore
- (Sligo) Lissalough
- (Sligo) Lugawarry
- (Sligo) Lecarrow
- (Sligo) Lissaneena
- (Sligo) Lisuntagh
- (Sligo) Lavally
- (Sligo) Largan
- (Sligo) Lugnamackan
- (Sligo) Lissananny More
- (Sligo) Lissananny Beg
- (Sligo) Lisheenacooravan