Brock River may refer to:
Brock River (Chibougamau River), a tributary of the Chibougamau River, in Eeyou Istchee Baie-James, Nord-du-Québec, Quebec Brock River West, a tributary of Brock River, Quebec Brock River North, a tributary of Brock River, Quebec Brock River (Missisquoi River), a tributary of the Missisquoi River, in Sutton, Quebec
See also Brock (disambiguation) River Brock, a river in Lancashire, England