Keystone Junior Hockey League
| President | Marcel Fontaine |
|---|---|
| Former name(s) | Manitoba Junior 'B' Hockey League (1977-2004) |
| Founded | 1977 |
| No. of teams | 5 |
| Associated title(s) | Baldy Northcott Trophy Keystone Cup |
| Recent champions | OCN Storm (2025) |
| Most successful club | Peguis Juniors (10) |
| Website | keystonejr |
The Keystone Junior Hockey League (KJHL) is a Junior 'B' ice hockey league in the province of Manitoba, Canada. The league, sanctioned by Hockey Manitoba, was formerly known as the Manitoba Junior 'B' Hockey League.