Lincoln Cathedral, also called Lincoln Minster and formally the Cathedral Church of the Blessed Virgin Mary of Lincoln, is a Church of England cathedral in Lincoln, England. It is the seat of the bishop of Lincoln and is the mother church of the diocese of Lincoln. The cathedral is governed by its dean and chapter, and is a grade I listed building.

Lincoln is a cathedral city and district in Lincolnshire, England, of which it is the county town. In the 2021 Census, the Lincoln district had a population of 103,813. The 2021 census gave the urban area of Lincoln, including North Hykeham and Waddington, a recorded population of 127,540.