The 1942 Copa Ibarguren was the 19th edition of a national cup of Argentina. From this edition onwards, the cup was contested by the winners of Primera División and the Copa Presidente de la Nación (a competition formed by teams from regional leagues). The final was contested by River Plate (1942 Primera División champion), and Liga Cordobesa de Fútbol ("Córdoba League"), champion of the 1942 Copa Presidente.