- Achampatti
- Adambai
- Adanur
- Adirampattinam
- Adirampattinam R.S
- Aduthurai
- Aduthurai Bazar
- Agaramangudi
- Aimbadumelnagaram
- Aiyanapuram
- Akkaraivattam
- Aladikkumulai
- Alagiyanayakipuram
- Alakkudi
- Alampallam
- Alathur
- Alivalam
- Allur
- Ambalapattu
- Ambalapattu North
- Ammachathiram
- Ammaiyandi
- Ammangudi
- Ammanichatram
- Ammapet