Dayton is a town in Waupaca County, Wisconsin, United States. The population was 2,674 at the 2020 census. The unincorporated communities of Little Hope, Parfreyville, and Rural are located in the town. The census-designated place of Chain O' Lakes is also partially located within the town.
The town was named for Lyman Dayton, a Connecticut native who moved to the area in 1850.
According to the United States Census Bureau, the town has a total area of 36.4 square miles (94.2 km<sup>2</sup>), of which 35.2 square miles (91.2 km<sup>2</sup>) is land and 1.1 square miles (3.0 km<sup>2</sup>) (3.16%) is water.
As of the census of 2020, there were 2,674 people residing in the town. The racial makeup of the town included 93.6% White, 0.7% African American, 1.4% Native American, 1.1% Asian, and 0.2% Hawaiian or Pacific Islander. Hispanic or Latino of any race were 2.0% of the population.