- Abbeydorney
- Abbeyfeale
- Abbeyleix
- Achill Sound
- Adamstown
- Adare
- Aghada
- Aglish
- Allenwood Cross Roads
- Anascaul
- Annacotty
- Annagary
- Annagassan
- Annaghdown
- Annagry
- Ardagh
- Ardara
- Ardee
- Ardfert
- Ardfinnan
- Ardmore
- Ardnacrusha
- Ardskeagh
- Arklow
- Artane
- Arthurstown
- Arvagh
- Ashbourne
- Ashford
- Askeaton
- Athboy
- Athea
- Athenry
- Athgarvan
- Athlone
- Athlone
- Athy
- Aughnacliffe
- Aughrim
- Avoca
