Domkirche St. Marien (English: St. Mary's Cathedral) is a Roman Catholic cathedral in Sankt Georg, Hamburg, Germany, and the metropolitan cathedral of the Roman Catholic Archdiocese of Hamburg (as of 1995). The cathedral stands in Danziger Straße and was built between 1890 and 1893 to the designs of Arnold Güldenpfennig. The church was erected in Romanesque revival style at the instigation of Bishop Bernhard Höting of Osnabrück, then simultaneously officiating as Vicar Apostolic of the Vicariate Apostolic of the Nordic Missions of Germany, then competent for Hamburg's Catholics.