- Medagoda
- Meddewatta
- Mederipitiya
- Mekiliyatenna
- Mellagasdeniya
- Midigama
- Midigama East
- Midigama West
- Miella
- Millagas-ara
- Minipagoda
- Mipawita
- Mirissa city
- Mirissa North
- Molodduwa
- Morawaka
- Motagedara
- Mudaligedara
- Mudugamuwa
- Mugunadeniya
- Mugunamulla
- Mukalanyaya
- Mulatiyana
- Mulupella
- Munamalpe
- Murutamure
- Muruthagaspitiya