2021 Grand Prix de Denain

The 2021 Grand Prix de Denain – Porte du Hainaut was the 62nd edition of the Grand Prix de Denain, a one-day road cycling race in and around Denain in northern France. This edition was the race's first in the UCI ProSeries; the 2020 edition was expected to feature in the inaugural UCI ProSeries but was cancelled due to the COVID-19 pandemic. It was also the eleventh event of the 2021 French Road Cycling Cup. Additionally, the race was originally due to be held on 18 March but was postponed by COVID-19 precautions.

Teams
Eight of the 19 UCI WorldTeams, nine UCI ProTeams, and two UCI Continental teams made up the nineteen teams that participated in the race. , with six riders, was the only team to not enter a full squad of seven riders. In total, 132 riders started the race, of which 86 finished.

UCI WorldTeams



UCI ProTeams



UCI Continental Teams