Køge Municipality (Danish: Køge Kommune, Danish pronunciation: [ˈkʰøː(j)ə]) is a kommune in the Region Sjælland on the east coast of the island of Zealand approx.

Until January 2007, its mayor was Torben Hansen, a member of the Social Democrats (Socialdemokraterne) political party, who died while still in office.

He was replaced by Marie Stærke, who at age 27 was Denmark's youngest mayor at that time.

Suburbs inside the urban area of Køge include Køge Nord (Ølby Lyng and Ølsemagle Lyng) to the north and Herfølge to the south.

Towns inside the municipality but outside the central urban area include Borup, Ejby, Bjæverskov, Lille Skensved, Lellinge and Algestrup.