These events occured in 1972 in the world of hockey:
- World Hockey Association (WHA) formed to compete with the NHL. This new league signed several of the top NHL stars including Bobby Hull and Derek Sanderson.
- Art Ross Memorial Trophy as the NHL's leading scorer during the regular season: Phil Esposito, Boston Bruins
- Hart Memorial Trophy – for the NHL's Most Valuable Player: Bobby Orr, Boston Bruins
- Stanley Cup - Boston Bruins win 4 games to 2 over the New York Rangers
- World Hockey Championship
- Men's champion: Czechoslovakia defeated the Soviet Union
- NCAA Men's Ice Hockey Championship – Boston University Terriers defeat Cornell University Big Red 4-0 in Boston, Massachusetts
September 28 - Paul Henderson scored the "goal of the century" to give Canada the win in the Summit Series, the first ever Canada versus the Soviet Union hockey showdown.
- 11th: First official match in the World Hockey Association. The Alberta Oilers defeat the Ottawa Nationals 7-4.