St Mary's Church is a redundant Anglican church in St Mary's Place, Shrewsbury, Shropshire, England. It is recorded in the National Heritage List for England as a designated Grade I listed building, and is under the care of the Churches Conservation Trust, the Trust designated St Mary's as its first Conservation Church in 2015. It is the largest church in Shrewsbury. Clifton-Taylor includes the church in his list of 'best' English parish churches.

A royal peculiar is a Church of England parish or church exempt from the jurisdiction of the diocese and the province in which it lies, and subject to the direct jurisdiction of the monarch.