The Superior International Junior Hockey League (SIJHL) is a junior A ice hockey league and a member of the Canadian Junior Hockey League (CJHL) and Hockey Canada. The league operates in the Canadian province of Ontario and the U.S. states of Minnesota and Wisconsin. Winners of the SIJHL playoffs compete for the Dudley Hewitt Cup against the winners of the Ontario Junior Hockey League and the Northern Ontario Junior Hockey League. The winner of the Dudley Hewitt Cup then moves on to compete for the Centennial Cup, the Canadian Junior A championship.

Junior ice hockey is amateur-level ice hockey for 15- to 20-year-old players. National Junior teams compete annually for the IIHF World Junior Championship. The United States men's national junior ice hockey team are the defending champions from the 2024 World Junior Ice Hockey Championships.