M
- (Galle District) Maha Uragaha
- (Hambantota District) Murawesihena
- (Matara District) Muruthagaspitiya
- (Hambantota District) Murutawela Ihalagoda
- (Matara District) Murutamure
- (Hambantota District) Murungagasyaya
- (Galle District) Munugoda
- (Galle District) Munedenigoda
- (Matara District) Munamalpe
- (Matara District) Mulupella
- (Galle District) Mullegoda
- (Hambantota District) Mulkirigala
- (Matara District) Mulatiyana
- (Hambantota District) Mulanyaya
- (Hambantota District) Mulanegoda
- (Hambantota District) Mulana
- (Matara District) Mukalanyaya
- (Hambantota District) Maduwelpokuna
- (Matara District) Mudugamuwa
- (Galle District) Mudannagoda
- (Galle District) Mudaligoda
- (Matara District) Mudaligedara
- (Matara District) Motagedara
- (Matara District) Morawaka
- (Hambantota District) Moraketiara
- (Galle District) Moragoda
- (Matara District) Malokgamuwa
- (Matara District) Molodduwa
- (Galle District) Mohottiwatta
- (Galle District) Moderapatuwata