Kumla Municipality (Kumla kommun) is a municipality in Örebro County in central Sweden. Its seat is located in the city of Kumla.
The present municipality was formed during the latest nation-wide local government reform in Sweden, with the amalgamations taking place in 1966 and 1971.
With 207 km² it is the smallest municipality in Örebro County.
Kumla's three twin towns with the year of its establishing:
- (1968) Frederikssund Municipality, Denmark
- (1981) Sipoo (Sibbo), Finland
- (1988) Aurskog-Høland, Norway
Coordinates: 59°07′N 15°08′E / 59.117°N 15.133°E