The Tallinn Museum of Orders of Knighthood (Estonian: Tallinna Rüütliordude Muuseum) is a private museum of history and culture in Tallinn, Estonia. The main focus of the museum is the history of orders of knighthood and merit from all over the world. The museum is located in a historical medieval building at Kuninga 3 in Tallinn Old Town, and the permanent exhibition consists of close to a thousand original costumes, collars, stars, badges and other items related to orders of knighthood with the oldest exhibits dating to the beginning of the 18th century.