Scot Brian Kleinendorst (January 16, 1960 – December 17, 2019) was an American ice hockey defenseman. Drafted in 1980 by the New York Rangers, Kleinendorst also played in the National Hockey League (NHL) for the Hartford Whalers and Washington Capitals. He was the brother of Kurt Kleinendorst. Kleinendorst died on December 17, 2019, after being injured in a workplace accident at a paper mill on December 9. He suffered severe head trauma and multiple fractures after being ejected from a piece of heavy machinery he was operating, and died at a hospital in Duluth.