St Marys Church is a Roman Catholic parish church in Worksop, Nottinghamshire, England. It was built from 1838 to 1840 by Weightman and Hadfield in the Gothic Revival style. It is located on Park Street to the south of the town centre. It was paid for by Bernard Howard, 12th Duke of Norfolk after the sale of Worksop Manor and was once visited by Archduke Franz Ferdinand. It is a Grade II listed building.