Stamnan is a village in the Orkdalen valley in the municipality of Rennebu in Trøndelag county, Norway. The village is located along the Orkla River about 4 kilometres (2.5 mi) south of the village of Voll, about 8 kilometres (5.0 mi) northwest of the municipal centre of Berkåk, and about 20 kilometres (12 mi) east of the mountain village of Nerskogen.