Vilhelm Andreas Wexelsen was a Norwegian bishop and politician for the Liberal Party. He served five terms in the Norwegian Parliament, was Minister of Education and Church Affairs from 1891 to 1892 and from 1898 to 1903 and bishop of Nidaros from 1905 to 1909.

Nidaros is a diocese in the Lutheran Church of Norway. It covers Trøndelag county in Central Norway and its cathedral city is Trondheim, which houses the well-known Nidaros Cathedral. Since 10 September 2017, the Bishop of Nidaros is Herborg Finnset. The Bishop Preses, currently Olav Fykse Tveit is also based at the Nidaros Cathedral. The diocese is divided into nine deaneries (prosti). While the Bishop Preses holds episcopal responsibility within the Nidaros domprosti (deanery) in Trondheim, the Bishop of Nidaros holds episcopal authority of the other eight deaneries as well as the language based parish of the Southern Sámi.