Sunnersberg Municipality was a municipality in the county of Skaraborg in Sweden.
[1] The municipality was established in Sunnersberg parish in the Kålland district in Västergötland when the 1862 municipal regulations came into force.
In the municipal reform of 1952 it became a commune in the North Kålland rural municipality, and in 1969 it was made part of Lidköping Municipality.
[2] It lies on the south shore of Lake Vänern.