Tretten Church is a parish church of the Church of Norway in Øyer Municipality in Innlandet county, Norway. It is located in the village of Tretten. It is the church for the Tretten parish which is part of the Sør-Gudbrandsdal prosti (deanery) in the Diocese of Hamar. The white, wooden church was built in a cruciform design in 1728 using plans drawn up by the architect Jens Skank. The church seats about 300 people.