Bastien Tronchon
| Personal information | |
|---|---|
| Born | 29 March 2002 Chambéry, France  | 
| Weight | 70 kg (154 lb) | 
| Team information | |
| Current team | Decathlon–AG2R La Mondiale | 
| Discipline | Road | 
| Role | Rider | 
| Amateur team | |
| 2021–2022 | AG2R Citroën U23 Team | 
| Professional teams | |
| 2022 | AG2R Citroën Team (stagiaire) | 
| 2023– | AG2R Citroën Team | 
| Major wins | |
| One-day races and Classics | |
Bastien Tronchon (born 29 March 2002) is a French cyclist, who currently rides for UCI WorldTeam Decathlon–AG2R La Mondiale.
On his third day of riding as a stagiaire for AG2R Citroën Team, Tronchon took a surprise victory on stage 3 of the 2022 Vuelta a Burgos after outsprinting Pavel Sivakov after being the only rider able to stick with Sivakov when he attacked 39 kilometers from the finish.