Oberlin is a town in and the parish seat of Allen Parish, Louisiana, United States. The population was 1,853 at the 2000 census. The town is named after Johan Friedrich Oberlin.
Oberlin is located at 30°37′10″N 92°45′51″W / 30.61944°N 92.76417°W / 30.61944; -92.76417 (30.619560, -92.764058).
According to the United States Census Bureau, the town has a total area of 3.1 square miles (8.0 km²), all of it land.