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 nationwide 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