Gansmo is a village in Overhalla Municipality, in Trøndelag, Norway. Gansmo lies at 14 m above sea level, at the foot of the Geitfjellet mountains. The nearest city is Trondheim, 136 km to the southwest. Among the landmarks around are Ranem Church (4.0 km), Skage Church (7.3 km) and Vemundvik Church (18.6 km).