| Season: | 1991 |
| Winners: | Sporting Cristal 10th Primera División title |
| League Topscorer: | Horacio Raúl Baldessari (25) |
| Nextseason: | 1992 |
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.
| Team | City | Stadium | Capacity | |
|---|---|---|---|---|
| 9,000 | ||||
| 45,750 | ||||
| 20,000 | ||||
| 12,000 | ||||
| 15,000 | ||||
| Alejandro Villanueva | 35,000 | |||
| Miguel Grau (Piura) | 25,000 | |||
| Campeonísimo | 8,000 | |||
| 20,000 | ||||
| 24,000 | ||||
| 42,056 | ||||
| 24,000 | ||||
| 19,850 | ||||
| 45,750 | ||||
| 15,000 | ||||
| 24,500 | ||||
| Deportivo Comercio | IPD de Moyobamba | 8,000 | ||
| 15,000 | ||||
| 20,000 | ||||
| 45,750 | ||||
| 24,000 | ||||
| 24 de Julio | 5,000 | |||
| 20,030 | ||||
| 17,000 | ||||
| 45,750 | ||||
| 24,500 | ||||
| Héroes de Estuquiña | 10,000 | |||
| 15,000 | ||||
| 24,000 | ||||
| Mariscal Nieto | 8,000 | |||
| 20,000 | ||||
| Municipal de San Ramón | 10,000 | |||
| 8,000 | ||||
| 45,750 | ||||
| 17,000 | ||||
| 45,750 | ||||
| Julio Lores Colan | 10,000 | |||
| 20,000 | ||||
| Daniel Alcides Carrión | 8,000 | |||
| Carlos Vidaurre García | 7,000 | |||
| 18,000 | ||||
| 45,750 |
Teams play each other once, either home or away. Liguilla Final was played only at the Estadio Nacional, Lima.
Teams play each other once, either home or away. Liguilla Final was played only at the Estadio Nacional, Lima.
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