The 1969–70 Toronto Maple Leafs season was the 53rd season of play of the NHL Toronto franchise and 43rd as the Maple Leafs.
After qualifying for the playoffs the previous season, the Leafs fell to last-place in the NHL East and did not qualify for the playoffs, marking the first time since 1958 that the club endured a last place finish.
[1] Punch Imlach's term as Maple Leafs' general manager ended after the 1969 playoffs.
Jim Gregory, who had been an executive with the Toronto Marlboros was named general manager, the first new GM for the Maple Leafs since 1957.
[5] The Maple Leafs have been involved in the following transactions during the 1969–70 season.