Fabien Grellier (born 31 October 1994) is a French cyclist, who currently rides for UCI ProTeam Team TotalEnergies.

[3] Grellier was born in Aizenay.

In July 2018, he was named in the start list for the Tour de France.

[5] In 2020, he wore the polka dot jersey of the mountains classification leader, after the opening day of racing.

This biographical article related to a French cycling person born in the 1990s is a stub.