The Manitoba Junior Hockey League (MJHL) is a Junior 'A' ice hockey league operating in the Canadian province of Manitoba and one of nine member leagues of the Canadian Junior Hockey League (CJHL).

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.