The Thunder Bay Hornets were a Canadian Junior "A" ice hockey team from Thunder Bay, Ontario. They were members of the Manitoba Junior Hockey League (MJHL) from 1984-85 to 1985-86. The Hornets entered the MJHL as an expansion team for the 1984-85 season. During the summer of 1986, the Hornets were granted a one year leave of absence, but sadly would never return.