Junior B

Junior B may refer to:

• Junior ice hockey leagues in Canada:
  • Calgary Junior Hockey League
  • Capital Junior Hockey League, in Alberta
  • Capitale Junior AA Hockey League, in Quebec
  • Central Junior B Hockey League of the Ontario Junior Hockey League
  • Chaudiere-Appalaches Junior AA Hockey League, in Quebec
  • Eastern Ontario Junior Hockey League
  • Estrie-Mauricie Junior AA Hockey League, in Quebec
  • Greater Ontario Junior Hockey League
  • Heritage Junior B Hockey League in Alberta
  • Island Junior Hockey League, in Prince Edward Island
  • Keystone Junior Hockey League, in Manitoba
  • Kootenay International Junior Hockey League, in British Columbia
  • Laurentides-Lanaudière Junior AA Hockey League, in Quebec
  • Ligue de Hockey Junior AA Lac St-Louis, in Quebec
  • Ligue de Hockey Junior AA Saguenay-Lac-St-Jean, in Quebec
  • Métropolitaine Junior AA Hockey League, in Quebec
  • New Brunswick Junior B Hockey League
  • North Eastern Alberta Junior B Hockey League
  • North West Junior Hockey League, in Alberta and British Columbia
  • Nova Scotia Junior B Hockey League of the Nova Scotia Junior Hockey League
  • Pacific Junior Hockey League, in British Columbia
  • Prairie Junior Hockey League, in Saskatchewan
  • St. John's Junior Hockey League, in Newfoundland and Labrador
  • Thunder Bay Junior B Hockey League
  • Vancouver Island Junior Hockey League, in British Columbia
  • Western Junior B of the Western Ontario Hockey League
• Defunct junior ice hockey leagues in Canada
  • Border Cities Junior B Hockey League, a hockey league that operated in Ontario from 1958 to 1964
  • Eastern Junior B Hockey League, a hockey league in eastern Ontario
  • Golden Horseshoe Junior B of the Golden Horseshoe Junior Hockey League
  • International Junior B Hockey League, which operated in northern Ontario and northern Michigan in the United States
  • Metro Junior B Hockey League, predecessor of the Metro Junior A Hockey League
  • Mid-Ontario Junior B Hockey League in southern Ontario
  • Mid-Western Junior Hockey League, previously known as the Southwestern Junior B Hockey League (1973–1974) and the Waterloo-Wellington Junior B Hockey League 1974–1977
  • Niagara District Junior B Hockey League, that operated from 1956 to 1979
  • North of Superior Junior B Hockey League
  • North Saskatchewan Junior B Hockey League
  • Western Junior B Hockey League; see Western Ontario Hockey League
• Ontario Junior B Lacrosse League