1972–73 Toronto Maple Leafs season

The 1972–73 Toronto Maple Leafs season was Toronto's 56th season in the National Hockey League (NHL). The Leafs slipped to sixth place in the East and missed the playoffs.

Offseason
Toronto lost Bernie Parent, Rick Ley, Brad Selwood, Guy Trottier and Larry Pleau, who jumped to the new World Hockey Association (WHA).

Regular season

 * Scoring
 * Goaltending

Transactions
The Maple Leafs have been involved in the following transactions during the 1972–73 season.

Draft picks
Toronto's draft picks at the 1972 NHL Amateur Draft held at the Queen Elizabeth Hotel in Montreal.