Gratiot (/ˈɡrætʃɪt/) is a town in Lafayette County, Wisconsin, United States.

According to the United States Census Bureau, the town has a total area of 54.4 square miles (140.9 km2), all of it recorded as land.

[1] The Pecatonica River flows through the northeast part of the town.

The racial makeup of the town was 99.85% White and 0.15% Black or African American.

21.9% of all households were made up of individuals, and 11.4% had someone living alone who was 65 years of age or older.