2023–24 Toronto Maple Leafs season

The 2023–24 Toronto Maple Leafs season was the franchise's 107th season (106th season of play) in the National Hockey League. Since the Pittsburgh Penguins missed the playoffs for the first time since 2006, the Maple Leafs currently hold a tie for the longest active playoff streak with their rivals, the Boston Bruins, with both making the playoffs every year since 2017. The Maple Leafs played two games in Stockholm at the Avicii Arena on November 17 and 19 as part of the NHL Global Series.

Brad Treliving was named general manager on May 31, 2023, after the team parted ways with Kyle Dubas at the end of the 2022–23 season.

On April 5, 2024, the Maple Leafs clinched a playoff spot for the eighth consecutive season after losses by the Detroit Red Wings, Philadelphia Flyers and Washington Capitals. In the playoffs, the Leafs lost to the Boston Bruins in seven games.

Goaltenders
(M) Player was playing for the minor league affiliate Toronto Marlies of the AHL at the end of the regular season (J) Player assigned to junior club during the regular season (X) Player was no longer with the Maple Leafs organization by the end of the regular season

Bold/italics denotes franchise record.

Transactions
The Maple Leafs have been involved in the following transactions during the 2023–24 season.

Key
Contract is entry-level. Contract initially takes effect in the 2024–25 season.

Draft picks
Below are the Toronto Maple Leafs' selections at the 2023 NHL Entry Draft, which was held on June 28 to 29, 2023, at Bridgestone Arena in Nashville.