- An Ros
- Arklow
- Abbeydown
- Abbeylara
- Abbeyleix
- Abbeyshrule
- Abbeyville
- Abbot’s Cross Roads
- Abbotstown
- Adamstown
- Adamstown
- Addanstown
- Aeaun Bridge
- Agall
- Agar Bridge
- Aghabeg
- Aghaboe
- Aghadaugh
- Aghade
- Aghade Bridge
- Aghadreen
- Aghalasty and Ankersland
- Aghamurky
- Aghancon
- Aghanure
- Aghanvilla
- Agharue
- Aghaterry
- Aghathomas
- Aghavannagh