Founders Cup

The Founders' Cup is the championship trophy of Canada's Junior "B" lacrosse leagues.

The custodial duties of this trophy fall upon the Canadian Lacrosse Association.

The national champions are determined through a round robin format with a playdown for the final.

The original Founders Cup was inaugurated in 1972 by the CLA in honour of "the founders of organized lacrosse," especially "The Father of Organized Lacrosse", William George Beers of Montreal, Quebec.

Beers wrote the first rulebook of the sport and was key to the organizing the National Lacrosse Association in 1867, the forerunner of the CLA.