1957 GP Ouest–France
# 1957 GP Ouest–France

The 1957 GP Ouest-France was the 21st edition of the GP Ouest-France cycle race and was held on 28 August 1957. The race started and finished in Plouay. The race was won by Isaac Vitré.

## General classification

| Rank | Rider | Time |
| - | - | - |
| 1 | Isaac Vitré (FRA) | 4h 58' 00" |
| 2 | Joseph Morvan (FRA) | + 5" |
| 3 | Joseph Groussard (FRA) | + 5" |
| 4 | Joseph Le Cadet (FRA) | + 5" |
| 5 | Francis Mel (FRA) | + 5" |
| 6 | Maurice Lavigne (FRA) | + 5" |
| 7 | Emile Le Bigault (FRA) | + 5" |
| 8 | Joseph Mahé (FRA) | + 5" |
| 9 | Emmanuel Crenn (FRA) | + 5" |
| 10 | Francis Pipelin (FRA) | + 5" |
