| Competition: | Torneo Descentralizado |
| Season: | 1979 |
| Dates: | 1 April 1979 – 26 January 1980 |
| Winners: | Sporting Cristal |
| Relegated: | León de Huánuco |
| Continentalcup1: | Copa Libertadores |
| Continentalcup1 Qualifiers: | Sporting Cristal Sporting Cristal |
| Prevseason: | 1978 |
| Nextseason: | 1980 |
The 1979 Torneo Descentralizado, the top category of Peruvian football (soccer), was played by 16 teams. The national champion was Sporting Cristal.
The season was divided into 2 stages. On the first stage, top 8 teams qualified to play for the championship with a points bonus of 3, 2 and 1 for the top 3; bottom eight qualified to play for relegation with a points penalty of -1, -2 and -3 for bottom three. Teams entered the second stage without carrying their whole season records. As three teams tied on points the last place of Relegation Group they had to enter a Relegation Playoff that was played in Lima.
| Team | City | Stadium | Capacity | Field | |
|---|---|---|---|---|---|
| 20,000 | Grass | ||||
| Alejandro Villanueva | 35,000 | Grass | |||
| 15,000 | Grass | ||||
| Campeonísimo | 8,000 | Grass | |||
| 24,000 | Grass | ||||
| 19,850 | Grass | ||||
| 20,000 | Grass | ||||
| 45,750 | Grass | ||||
| 24,500 | Grass | ||||
| 12,000 | Grass | ||||
| 15,000 | Grass | ||||
| 20,000 | Grass | ||||
| 15,000 | Grass | ||||
| 45,750 | Grass | ||||
| Julio Lores Colan | 10,000 | Grass | |||
| 45,750 | Grass |
----