- Ardenagh
- Arthurstown
- Ashton
- Ashwood Lower
- Ask
- Ask Hill
- Askaheige
- Askakeel
- Askamore
- Askinamoe
- Askinch
- Askinch Upper
- Askingarran
- Askintarney
- Askinvillar
- Aspealy Bridge
- Assagart
- Aughathlappa
- Aughboy Bridge
- Aughclare
- Aughfaa
- Aughnacrow Bridge
- Aughnagroagh Bridge
- Aughnamaulmeen
- Aughullen
- Aghavannagh
- Aghinree Bridge
- Aghow
- Aghowle Lower
- Aghowle Upper