Rubicon is a town in Dodge County, Wisconsin, United States.

The unincorporated communities of Rubicon and Saylesville are located in the town.

The unincorporated community of Woodland is also located partially in the town.

There were 680 housing units at an average density of 19.7 per square mile (7.6/km2).

13.3% of all households were made up of individuals, and 5.1% had someone living alone who was 65 years of age or older.