David Ross Lonsberry (February 7, 1947 – May 4, 2014) was a Canadian professional ice hockey left winger who played 15 seasons in the National Hockey League (NHL) for the Boston Bruins, Los Angeles Kings, Philadelphia Flyers and Pittsburgh Penguins.
He had his best seasons in a Flyers uniform and was a member of Philadelphia's back-to-back Stanley Cup championship teams in the mid-1970s.