A
- (Wicklow) Askanagap
- (Wexford) Askinch
- (Wicklow) Ardanairy
- (Kilkenny) Ashtown
- (Kilkenny) Aughtanny
- (Kilkenny) Arigna Bridge
- (Louth) Ardtully
- (Louth) Ardaghy
- (Louth) Aghnaskeagh
- (Louth) Annaghvacky
- (Uíbh Fhailí) Annaville
- (Uíbh Fhailí) Ash Island
- (Uíbh Fhailí) Attinkee
- (Laois) Ardled
- (Laois) Annagh Bridge
- (Uíbh Fhailí) Annaghbrack
- (Uíbh Fhailí) Agall
- (Uíbh Fhailí) Aharney
- (Westmeath) Ardmorney
- (Laois) Aghadreen
- (Laois) Aghoney
- (Kildare) Abbot’s Cross Roads
- (Laois) Aghnakily
- (Kildare) Ardmore
- (Kildare) Ardscull
- (Wicklow) Athgreany
- (Uíbh Fhailí) Annamoe
- (Kildare) Agar Bridge
- (Kildare) Allen
- (Kildare) Alexandra Bridge