- A Thirumalapuram
- A. Sathankulam
- Achampadu
- Achankuttam
- Achanpudur
- Adaichani
- Adaikalapattinam
- Agarakattu
- Agasthiarpatti
- Agasthiyarpatti
- Aladiyur
- Alagappapuram
- Alagapuri
- Alagiapandiapuram
- Alagunatchiapuram
- Alangulam
- Alkondarkulam
- Alwaneri
- Alwarkurichi
- Ambalam
- Ambalavanapuram
- Ambasamudram
- Ambasamudram Angadi
- Ambasamudram East
- Ambasamudram Pothugudi