Kewaunee is a city in Kewaunee County, Wisconsin, United States. The population was 2,952 at the 2010 census. Located on the northwestern shore of Lake Michigan, the city is the county seat of Kewaunee County. Its Menominee name is Kewāneh, an archaic name for a species of duck.
Kewaunee is part of the Green Bay Metropolitan Statistical Area.