1958 GP Ouest–France
# 1958 GP Ouest–France

The 1958 GP Ouest-France was the 22nd edition of the GP Ouest-France cycle race and was held on 26 August 1958. The race started and finished in Plouay. The race was won by Jean Gainche.

## General classification

| Rank | Rider | Time |
| - | - | - |
| 1 | Jean Gainche (FRA) | 4h 54' 00" |
| 2 | André Ruffet (FRA) | + 0" |
| 3 | Fernand Picot (FRA) | + 0" |
| 3 | Joseph Thomin (FRA) | + 0" |
| 5 | Jean Bourlès (FRA) | + 0" |
| 6 | Amand Audaire (FRA) | + 0" |
| 7 | André Gislard (FRA) | + 0" |
| 8 | Arthur Bihannic (FRA) | + 0" |
| 9 | Alexandre Delanoe (FRA) | + 0" |
| 10 | Georges Groussard (FRA) | + 0" |
