Donald Kenneth Nachbaur (born January 30, 1959) is a Canadian professional ice hockey coach and former player. He played eight seasons in the National Hockey League (NHL) with the Hartford Whalers, Edmonton Oilers, Philadelphia Flyers between 1980 and 1990. He would later spend four years in the Austrian Hockey League. After retiring Nachbaur turned to coaching, and spent several years as a head coach in the Western Hockey League (WHL). He was formerly the assistant coach for the Los Angeles Kings of the NHL, and also worked as the head coach of the Spokane Chiefs of the WHL.