The Barnum Museum is a museum at 820 Main Street in Bridgeport, Connecticut, United States. It has an extensive collection related to P. T. Barnum and the history of Bridgeport, and is housed in a historic building on the National Register of Historic Places. The building and its exhibits are connected to a portion of Bridgeport Center, a complex of buildings completed in 1989 on the same grounds as the Barnum Museum.