| Competition: | Peruvian Segunda División |
| Season: | 1990 |
| Dates: | 10 August 1990 – 10 February 1991 |
| Winners: | Hijos de Yurimaguas |
| Relegated: | CITEN |
| Prevseason: | 1989 |
| Nextseason: | 1991 |
The 1990 Peruvian Segunda División, the second division of Peruvian football (soccer), was played by 20 teams. The tournament winner, Hijos de Yurimaguas was promoted to the 1991 Torneo Descentralizado.