The 1942 season of the Primera División Peruana, 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, walk-over:0.
1942 National Champions - 3rd title
References
1942 Peruvian Primera División Wikipedia(Text) CC BY-SA