Pleasington Priory, or the Church of St Mary and St John Baptist, is a Roman Catholic church in the village of Pleasington, Lancashire, England. It is recorded in the National Heritage List for England as a designated Grade I listed building. The architectural historian Nikolaus Pevsner describes it as being "an astonishing church", and the citation in the National Heritage List for England states it is an "exceptional form of Catholic chapel for the period before Emancipation".HistoryThe church was built between 1816 and 1819 as a thank offering by John Francis Butler at a cost of £23,000, the architect being John Palmer and the sculptor Thomas Owen.