- Menikhinna Town
- Mercantilewatta
- Metideniya
- Metiwalatenna
- Middlemarch Colony
- Mideniya
- Migahahena
- Migammana
- Migammana Ihalagammedda
- Migammana Mahagammedda
- Migammana Pallegama
- Millanga
- Mimure
- Minigamuwa
- Minipe
- Minuwangomuwa
- Mipitiya
- Miriyakada
- Miruppa
- Mitalawa
- Miwaladeniya
- Miwatura
- Miyanagolla
- Moladanda
- Molagoda
- Monaragallawatta
- Moragahadeniya
- Moragahamula Colony
- Moragahamulla
- Moragaskotuwa