A
- (Meath) Ash Field
- (An Longfort) Ards
- (Kildare) Ardinode
- (Meath) Ardcath
- (Meath) Ardagh
- (An Longfort) Ardagh
- (Meath) Annesbrook
- (Wicklow) Annamoe
- (Wicklow) Annacurragh
- (Louth) Anaglog Cross
- (Kildare) Allenwood
- (Wicklow) Aghavannagh
- (Uíbh Fhailí) Aghanvilla
- (Laois) Aghancon
- (Laois) Aghaboe
- (An Longfort) Abbeylara
- (Kilkenny) Ardclone
- (Kilkenny) Aglish
- (Kilkenny) Arderra
- (Wexford) Aughboy Bridge
- (Wexford) Ambrosetown
- (Wexford) Ardenagh
- (Wexford) Aughfaa
- (Wexford) Aughnagroagh Bridge
- (Wexford) Assagart
- (Wexford) Aspealy Bridge
- (Kilkenny) Annamult
- (Kilkenny) Annaleck
- (Kilkenny) Aghamurky
- (Kilkenny) Aughatubbrid