Arpin is a village in Wood County, Wisconsin, United States. The population was 337 at the 2000 census.
According to the United States Census Bureau, the village has a total area of 0.9 square miles (2.2 km²), all of it land.
As of the census of 2000, there were 337 people, 139 households, and 93 families residing in the village. The population density was 397.3 people per square mile (153.1/km²). There were 148 housing units at an average density of 67.2 persons/km² (174.5 persons/sq mi). The racial makeup of the village was 98.81% White, 0.00% African American, 0.89% Native American, 0.00% Asian, 0.00% Pacific Islander, 0.00% from other races, and 0.30% from two or more races. 1.19% of the population were Hispanic or Latino of any race.