Oakfield is a town in Fond du Lac County, Wisconsin, United States.
The unincorporated community of Oak Center is also located in the town.
The racial makeup of the town was 99.61% White, 0.13% Native American and 0.26% Asian.
16.7% of all households were made up of individuals, and 7.9% had someone living alone who was 65 years of age or older.
On July 18, 1996, A supercell thunderstorm dropped an F5 tornado which destroyed much of the town.