The Ontario Hockey Federation (OHF) has been in existence since 1989 and is the largest Branch of Hockey Canada. Hockey Canada is the national governing body for amateur hockey in Canada and is made up of thirteen provincial and regional Branches. The OHF is one of three Branches operating in the Province of Ontario. The other two Branches are Hockey Northwestern Ontario (HNO) and Hockey Eastern Ontario (HEO).
The OHF operates within a structure that is comprised of seven Members: Minor Hockey Alliance of Ontario (ALLIANCE), Greater Toronto Hockey League (GTHL), Northern Ontario Hockey Association (NOHA), Ontario Hockey Association (OHA), Ontario Hockey League (OHL),Ontario Minor Hockey Association (OMHA), and Ontario Women’s Hockey Association (OWHA). Each operates specific programs to their area or jurisdiction, following Hockey Canada and OHF Regulations, Rules and Policies.