| Winner: | Olga Zumarán |
| Represented: | Arequipa |
| Date: | June 1, 1978 |
| Presenters: | Jorge Belevan |
| Venue: | Teatro Municipal (Lima) |
| Broadcaster: | América Televisión |
| Entrants: | 24 |
| Before: | 1975 |
| Next: | 1979 |
The Miss Perú 1978 pageant was held on June 1, 1978. That year, 24 candidates were competing for the two national crowns. The chosen winners represented Peru at the Miss Universe 1978[1] and Miss World 1978. The rest of the finalists would enter in different pageants.[2]
.