Kors Church is a parish church of the Church of Norway in Rauma Municipality in Møre og Romsdal county, Norway. It is located in the village of Marstein in the central part of the Romsdalen valley. It is the church for the Kors parish which is part of the Indre Romsdal prosti (deanery) in the Diocese of Møre. The brown, wooden church was built in a cruciform design in 1797 using plans drawn up by an unknown architect. The church seats about 120 people.

Rauma is a municipality in Møre og Romsdal county, Norway. It is part of the traditional district of Romsdal. The administrative centre is the town of Åndalsnes. Other settlements in Rauma include the villages of Måndalen, Innfjorden, Veblungsnes, Verma, Isfjorden, Eidsbygda, Rødven, Åfarnes, and Mittet. Most settlement in the municipality is located along the fjords and in the Romsdalen valley.