The 1937 South American Championship Final was the final match to determine the winner of the 1937 South American Championship, the xxx edition of this continental competition. It was held on February 1, 1937, in San Lorenzo de Almagro's venue, Estadio Gasómetro of Buenos Aires. Because of the heat (the tournament was played in Summer), most of the matches were played at night (Estadio Gasómetro was the only stadium in Argentina with artificial lighting by then) while other games were played at daytime (being held in River Plate's venue, Estadio Alvear y Tagle.