The Dieringhausen Railway Museum (Eisenbahnmuseum Dieringhausen) is a railway history museum in in the district of Oberbergischer Kreis in North Rhine-Westphalia, Germany. It is located on the site of the former Deutsche Bundesbahn locomotive depot at Dieringhausen and is a protected historical monument with 2.7 acres (11,000 m2) of land. After railway operations had ceased on 1 May 1982, a society was founded with the aim of forming and running a museum. That same year the first museum festival was celebrated.