Clément Champoussin (born 29 May 1998) is a French cyclist, who currently rides for UCI WorldTeam Arkéa–B&B Hotels. In October 2020, he was named in the startlist for the 2020 Vuelta a España. On stage 20 of the 2021 Vuelta he won the final mountain stage finding himself among the GC contenders of Roglič, Haig and Mas. He finished the race 16th overall.