The Cathedral Church of Our Lady Help of Christians and Saint Peter of Alcantara, commonly known as Shrewsbury Cathedral, is a Roman Catholic cathedral in Shrewsbury, England. It is the seat of the Roman Catholic Bishop of Shrewsbury and mother church of the Diocese of Shrewsbury, which covers the historic counties of Shropshire and Cheshire. The cathedral is particularly notable as being the only cathedral in the county. Unlike most other English counties and county towns, neither Shropshire nor Shrewsbury has a Church of England cathedral.