The 2023 Bretagne Classic Ouest-France was a road cycling one-day race that took place on 3 September 2023 in the region of Brittany in northwestern France.

It was the 87th edition of the Bretagne Classic Ouest-France and the 30th event of the 2023 UCI World Tour.

It was won by Valentin Madouas in a four-rider sprint.

[1] All eighteen UCI WorldTeams and six UCI ProTeams made up the twenty-four teams that participated in the race.

[2] UCI WorldTeams UCI ProTeams