This list of churches in Nidaros is a list of the Church of Norway churches in the Diocese of Nidaros which covers all of Trøndelag county in Norway. The list is divided into several sections, one for each deanery (prosti) in the diocese. Administratively within each deanery, the churches are divided by municipalities which have their own church council (fellesråd) and then into parishes (sokn) which have their own councils (soknerådet). Each parish may have one or more congregations in it. The municipality of Trondheim includes several deaneries within the municipality due to its large population. Historically, the diocese has had many deaneries, but the number of deaneries has been reduced in recent years. In 1995, the old was merged with Orkdal prosti and on the same date the old Nord-Fosen prosti was renamed simply Fosen prosti. On 1 July 2015, the , which included the municipalities of Leka, Vikna, and Nærøy, was merged with the Namdal prosti. On 1 January 2020, the old Nord-Innherad prosti and Sør-Innherad prosti were merged to form the new Stiklestad prosti. (en)