Wagner is a town in Marinette County, Wisconsin, United States.

The unincorporated communities of Goll, McAllister, Packard, and Wagner are located in the town.

Wagner was created in 1915, when residents east of Middle Inlet sought separation from Porterfield.

The first county board supervisor was Joseph Wagner (1850–1925), whom the town is named after.

21.2% of all households were made up of individuals, and 10.6% had someone living alone who was 65 years of age or older.