Dehiwala-Mount Lavinia Municipal Council (DMMC) is the local authority for the city of Dehiwala-Mount Lavinia in Sri Lanka. The Council is responsible for providing a variety of local public services including roads, sanitation, drains, housing, libraries, public parks and recreational facilities. It has 48 members elected under the mixed electoral system where 60% of members will be elected using first-past-the-post voting and the remaining 40% through closed list proportional representation.