Stephen Murray Langdon (born December 23, 1953) is a Canadian former professional ice hockey left winger. He was drafted in the fourth round, 63rd overall, of the 1973 NHL Amateur Draft by the Boston Bruins. He played seven regular-season National Hockey League games with the Bruins, recording one assist. He also appeared in four games with the Bruins during the 1976 NHL playoffs, going scoreless. Langdon was also drafted by the Minnesota Fighting Saints in the 1973 WHA Amateur Draft; however, he never played in the World Hockey Association.