Big Falls is a town in Rusk County, Wisconsin, United States. The population was 115 at the 2020 census.
Geography
According to the United States Census Bureau, the town has a total area of 36.0 square miles (93.3 km<sup>2</sup>), of which 35.4 square miles (91.6 km<sup>2</sup>) is land and 0.6 square mile (1.6 km<sup>2</sup>) (1.75%) is water.