North Lancaster is a town in Grant County, Wisconsin, United States.

According to the United States Census Bureau, the town has a total area of 36.0 square miles (93.3 km2), of which, 36.0 square miles (93.3 km2) of it is land and 0.03% is water.

At the 2000 census there were 515 people, 164 households, and 142 families living in the town.

There were 170 housing units at an average density of 4.7 per square mile (1.8/km2).

The racial makeup of the town was 99.03% White, 0.39% Asian, and 0.58% from two or more races.