John Joseph Papalia (Italian: [papaˈliːa]; March 18, 1924 – May 31, 1997), also known as Johnny Pops Papalia or "The Enforcer", was an Italian-Canadian crime boss of the Papalia crime family based in Hamilton, Ontario, Canada. The Papalia crime family is one of three major crime families in Hamilton, the other two being the Musitano crime family and the Luppino crime family.