The 2024–25 SIJHL season is the 23rd season of the Superior International Junior Hockey League (SIJHL). The Kam River Fighting Walleye won the league championship Bill Salonen Cup and advanced to the national championship tournament in Calgary.
The Wisconsin Lumberjacks relocated from Spooner, Wisconsin, to Ironwood, Michigan, and were renamed the Ironwood Lumberjacks. Dean Thibodeau was appointed as the new league commissioner following the departure of Darrin Nicholas, who held the role since 2020.
In January 2025, it was reported that the Kenora Islanders was suspending operations midseason and seeking a new owner to take over the franchise, citing a conflict with the SIJHL board of governors.
Regular season.
Teams were scheduled to play 50 regular season games, including 7 games against each other team. As the Kenora Islanders suspended operations midseason, each of their remaining matches was recorded as 1-0 loss for Kenora.
! style=width:12em | Team 
! style=width:2.2em | GP</abbr title> 
! style=width:2.2em | W</abbr title> 
! style=width:2.2em | L</abbr title> 
! style=width:2.2em | OTL</abbr title> 
! style=width:2.2em | SOL</abbr title> 
! style=width:2.2em | GF</abbr title> 
! style=width:2.2em | GA</abbr title> 
! style=width:2.2em | Pts</abbr title> 
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Post-season.
Each round of the playoffs was a single-elimination best-of-seven series. The first-place Dryden Ice Dogs had a bye in the first round. The Kam River Fighting Walleye swept the first and second rounds, and went on to defeat the Ice Dogs in the final round, 4-2, to win the league championship Bill Salonen Cup.
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National championship.
The 54th annual Junior A national championship tournament was hosted by the Calgary Canucks of the Alberta Junior Hockey League (AJHL) at the Max Bell Centre in Calgary, and included the championship teams from the 9 leagues that collectively make up the Canadian Junior Hockey League (CJHL). The SIJHL was represented by the championship Kam River Fighting Walleye, who were eliminated from competition at the preliminary stage.