| Competition: | Peruvian Segunda División |
| Season: | 1989 |
| Dates: | 22 April – 3 December 1989 |
| Winners: | Sport Boys |
| Relegated: | Deportivo Aviación Esther Grande de Bentín |
| Prevseason: | 1988 |
| Nextseason: | 1990 |
The 1989 Peruvian Segunda División, the second division of Peruvian football (soccer), was played by 20 teams. The tournament winner, Sport Boys was promoted to the 1990 Torneo Descentralizado.
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