The 1991 Torneo Descentralizado, the top tournament of Peruvian football, was played by 41 teams in the format of Regional Tournaments, whose winner advanced to national finals. The national champion was Sporting Cristal.
Sporting Cristal v Sport Boys
Universitario v Sporting Cristal
Universitario v Sport Boys
Carlos A. Mannucci v Deportivo Pacífico
Unión Minas v Aurora
Colegio Nacional Iquitos v Bancos