The 1942 season of the Peruvian Primera División, the top category of Peruvian football, was played by 10 teams. The national champions were Sport Boys. From 1931 until 1942 the points system was W:3, D:2, L:1, walkover:0.
Updated to match(es) played on 1942. Source: Diario El Comercio, La Prensa and Crónica. Legend: Blue = home team win; Yellow = draw; Red = away team win.