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- (Galle District) Manomachchigoda
- (Hambantota District) Mamadala
- (Matara District) Malpudanella
- (Matara District) Malimmada East
- (Galle District) Maliduwa
- (Galle District) Malgalla
- (Galle District) Malawenna
- (Galle District) Malawala
- (Hambantota District) Malasinegalewewa
- (Matara District) Malana
- (Galle District) Malamure
- (Galle District) Malalgodapitiya South
- (Galle District) Malalgodapitiya North
- (Galle District) Malalagoda
- (Galle District) Malalagamduwa
- (Matara District) Malagoda West
- (Matara District) Malagoda East
- (Hambantota District) Malagegoda
- (Galle District) Makumbura
- (Hambantota District) Makuladeniya
- (Matara District) Makawita
- (Matara District) Makandura East
- (Galle District) Makalanduwa
- (Galle District) Majuwana
- (Galle District) Maitipe
- (Hambantota District) Mahirawa
- (Galle District) Mahawila
- (Hambantota District) Mahawewa
- (Galle District) Mahawatta
- (Galle District) Maharambe