- Attāni
- Attimānjeri
- Attippattu
- Auroville
- Avadaiyarkovil
- Avalūrpet
- Avanāshi
- Avanāshipālaiyam
- Ayakudi
- Ayalcheri
- Ayattur
- Ayyampālaiyam
- Ayyampettāi
- Ayyanāpuram
- Ayyanthopu
- Achchippatti
- Adiyūr
- Agrahāra Sāmakkulam
- Ajjampālaiyam
- Akilandapuram
- Akkamanāyakkanpālaiyam
- Alagāpuri
- Alagirichettipālaiyam
- Ālāmpālaiyam
- Ālampālaiyam
- Alangundi
- Alankadavu
- Ālānkombu
- Ālāppalaiyam
- Alatti