 Junior B Tier 1 | |
| Sport | Box lacrosse |
|---|---|
| Founded | 1999 |
| Commissioner | Vacant |
| No. of teams | 5 |
| Country |  Canada |
| Most recent champion(s) | Kamloops Venom |
| Official website | TOJLL |
The Thompson Okanagan Junior Lacrosse League (TOJLL) is one of two Junior B Tier 1 box lacrosse leagues sanctioned by the British Columbia Lacrosse Association in British Columbia, Canada. The league champion competes for the British Columbia Junior B Tier 1 Provincial Championship. Teams have competed for the Founders Cup, a national tournament which determines the Canadian Junior B lacrosse champion.