- Madanattūr
- Mahālingapuram
- Malangankudiyiruppu
- Mālavarāyanallūr
- Mallattānkulam
- Mallūr
- Māmanakkārankudikkādu
- Managedi
- Manaikkanamkottai
- Manakkāl
- Manakkarai
- Manakkudaiyān
- Manakkudi
- Manakkuli
- Manappattūr
- Mandapateru
- Mandiyankudisai
- Manjamedu
- Manmalai
- Mannāngorai
- Mārakkurichchi
- Maravanūr
- Marudūr
- Marukkālankurichchi
- Marungūr
- Maruvattūr
- Mātāpuram
- Mattimadakki
- Māttūr
- Mekkolpatti