John Proctor "Jack" Darragh (December 4, 1890 – June 28, 1924) was a Canadian professional ice hockey player.
Darragh played the forward position for the Ottawa Senators in the National Hockey League (NHL) and its predecessor the National Hockey Association (NHA).
Darragh was a member of four Stanley Cup championship teams (1911, 1920, 1921, 1923) and a NHA championship team (1915).
Jack is the brother of NHL hockey player Harold Darragh.