- Abbert
- Abbey
- Abbeyknockmoy
- Addergoole
- Addragool
- Ahascragh
- Aille
- Aillenacally
- Allaphreaghaun
- Alleeny Bridge
- Alloon Lower
- An Baile Thiar
- An Fhairche
- An tOileán Iarthach
- Angliham
- Annagh
- Annagh Hill
- Annaghdown
- Annaghvaan
- Islas Aran
- Ard
- Ardbear
- Ardbear Bridge
- Ardbear Cottages
- Ardmore
- Ardnadoman
- Ardnagreevagh
- Ardnasodan
- Ardrahan
- Ardranny