- Middaramulla
- Midella
- Midelladola
- Midigaspegoda
- Midigastuduwa
- Miggamuwegoda
- Migoda
- Miguntenna
- Mihiripenna
- Milidduwa
- Millagoda
- Millawatta
- Mimeduma
- Minirangoda
- Minuwandeniya
- Minuwandeniya Colony
- Minuwangoda
- Miriswatta
- Miriswatupalata
- Miyanawatura
- Moderapatuwata
- Mohottiwatta
- Moragoda
- Moraketiya
- Moranpitigoda
- Mudaligoda
- Mudannagoda
- Mulana
- Mullakanda
- Mullakanda Watta