Maxence Flachez (born 5 August 1972) is a French former professional footballer who played as a central defender, and is a manager.

In 2002–03 he helped the team finish fifth and reach the final of the Coupe de la Ligue; as the latter competition winners AS Monaco FC ranked second in the league and qualified for the UEFA Champions League, Sochaux qualified for the UEFA Cup, where the player took part in his first matches (six).

Flachez spent one more campaign in the second division with En Avant de Guingamp, then switched to another side in that level, Valenciennes FC, which he helped promote immediately as champions.

[1] A final promotion to the top tier was achieved in 2007–08, with hometown's Grenoble Foot 38; after their subsequent relegation, he retired from football at nearly 37 and returned to first professional club Lyon, as a TV pundit for the official channel.

[4] In July 2019 it was confirmed, that Flanchez would be the assistant manager of Philippe Anziani for the B-team of Olympique de Marseille.