Fairwater is a village in Fond du Lac County, Wisconsin, United States. The population was 350 at the 2000 census. The community was founded around the water power of the Grand River in 1848 and was incorporated in 1921.
Fairwater is located at 43°44′28″N 88°52′8″W / 43.74111°N 88.86889°W / 43.74111; -88.86889 (43.741047, -88.868887).
According to the United States Census Bureau, the village has a total area of 0.7 square miles (1.9 km²), all of it land.