Tromsdalen Church or the Arctic Cathedral (Norwegian: Tromsdalen kirke, Ishavskatedralen) is a parish church of the Church of Norway in Tromsø Municipality in Troms county, Norway. It is located in the Tromsdalen valley on the east side of Tromsø. It is the church for the Tromsøysund parish, which is part of the Tromsø domprosti (arch-deanery) in the Diocese of Nord-Hålogaland. The modern concrete and metal church was built in a long church style in 1965 using plans drawn up by architect Jan Inge Hovig. The church seats about 600 people.
