- Arumuganeri
- Aruppukkottai
- Atirāmpattinam
- Attāni
- Attimānjeri
- Attippattu
- Auroville
- Avadaiyarkovil
- Avalūrpet
- Avanāshi
- Avanāshipālaiyam
- Ayakudi
- Ayalcheri
- Ayattur
- Ayyampālaiyam
- Ayyampettāi
- Ayyanāpuram
- Ayyanthopu
- Ādanūr
- Ādirangam
- Amarāvati
- Ārani
- Āvadi
- Alangāyam
- Ālangudi
- Ālangulam
- Ālappākkam
- Ālattūr
- Ālwār Tirunagari
- Ālwārkurichchi