Faxe Municipality is a kommune in Denmark in the Region Sjælland on the island of Zealand. The municipality covers an area of 406 km2 and has a population of 37,344 (2023). Its mayor as of January 2018 is Ole Vive. He is a member of the agrarian liberal Venstre political party.

Haslev, the largest town in Faxe municipality, lies in the southern part of Zealand, Denmark. About 60 km (37 mi) from Copenhagen, it has a population of 12,280.