Mo Church (Norwegian: Mo kirke) is a parish church of the Church of Norway in Rana Municipality in Nordland county, Norway. It is located in the town of Mo i Rana. It is the church for the Mo parish which is part of the Indre Helgeland prosti (deanery) in the Diocese of Sør-Hålogaland. The white, cruciform, wooden church was built in a neo-Gothic style in 1724 using plans drawn up by the architects Andreas Grenstad and Espen Poulson. The church seats about 400 people.

The church in Mo i Rana was founded in 1723-1724 when missionary Thomas von Westen led the construction of the new church. The first worship service held in the new church was on 6 January 1724. In 1832 the church underwent a renovation and expansion of the building. It included building a higher and steeper roof with a small onion dome tower on top. In 1860, the interior was redesigned. The church also underwent renovations in 1956 and again in 2007.

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• List of churches in Sør-Hålogaland