Harrison is a town in Calumet County in the U.S. state of Wisconsin. The population was 10,839 at the 2010 census and 3,471 in 2013. Parts of the town of Harrison and town of Buchanan are collectively known locally as Darboy. The unincorporated communities of Highland Beach and Utowana Beach are located in the town. The unincorporated community of Waverly Beach is also located partially in the town.