Mid-Western Junior Hockey League
| Association | Ontario Hockey Association |
|---|---|
| Founded | 1973 |
| Ceased | 2007 |
| Last champion(s) | Cambridge Winterhawks (2007) |
The Mid-Western Junior Hockey League (MWJHL) was a junior ice hockey league in Ontario, Canada, sanctioned by the Ontario Hockey Association from 1973 until 2007. In 2007, the league became a division of the newly formed Greater Ontario Junior Hockey League along with the Western Ontario Hockey League and Golden Horseshoe Junior Hockey League.
- Southwestern Junior "B" Hockey League 1973 - 1974
- Waterloo-Wellington Junior "B" Hockey League 1974 - 1977
- Mid-Western Junior "B" Hockey League 1977 - 2007