Hennepin is a shipwreck off the east coast of Lake Michigan, west of South Haven, Michigan. The ship was originally built in October 1888 and sank on August 18, 1927. Michigan Shipwreck Research Associates found the ship in 2006 and conducted several dives to assess the wreck's condition. The wreck was listed on the National Register of Historic Places on February 1, 2008. She is significant as the first self-unloading bulk carrier.