Sandvollan is a former municipality in the old Nord-Trøndelag county, Norway. The 28-square-kilometre (11 sq mi) municipality existed from 1907 until its dissolution in 1962. It was located in the north part of what is now the municipality of Inderøy in Trøndelag county. There are two main villages in Sandvollan: Gangstad and Småland. Gangstad has a grocery store. Between the two villages lies , a harbour that used to be a stop on the steam ship routes.