1966 GP Ouest–France
# 1966 GP Ouest–France

The 1966 GP Ouest-France was the 30th edition of the GP Ouest-France cycle race and was held on 30 August 1966. The race started and finished in Plouay. The race was won by Claude Mazeaud [fr].

## General classification

| Rank | Rider | Time |
| - | - | - |
| 1 | Claude Mazeaud [fr] (FRA) | 5h 17' 00" |
| 2 | Jean Bourlès (FRA) | + 0" |
| 3 | Pierre Le Mellec (FRA) | + 0" |
| 4 | Jacques Cadiou (FRA) | + 0" |
| 5 | Joseph Groussard (FRA) | + 0" |
| 6 | François Goasduff (FRA) | + 0" |
| 7 | Jean-Paul Paris (FRA) | + 0" |
| 8 | Jean Dumont (FRA) | + 0" |
| 9 | André Gislard (FRA) | + 0" |
| 10 | Hubert Niel (FRA) | + 0" |
