- Abbeyside
- Adamstown
- Aglish
- Ahaun
- Ahaunboy
- Annestown
- Ardagunna
- Ardmore
- Ardsallagh
- Ashtown
- Aughshemus Bridge
- Abbey Cross
- Abbey Island
- Abbeydorney
- Acres
- Addergown
- Affouley
- Aghacurreen
- Aghanagran Lower
- Aghatubrid Bridge
- Aghnagar Bridge
- Aghnanus Bridge
- Aglish
- Ahafona
- Ahascra
- Ahaun
- Ahavoher Bridge
- Ahimma
- An Ghlaise Bheag
- Anablaha