Tonstad Church (Norwegian: Tonstad kirke) is a parish church of the Church of Norway in the large Sirdal Municipality in Agder county, Norway. It is located in the village of Tonstad. It one of the four churches in the Sirdal parish which is part of the Lister og Mandal prosti (deanery) in the Diocese of Agder og Telemark. The white, wooden church was built in a long church design in 1852 using plans drawn up by the architect Hans Linstow. The church seats about 300 people.