| Thirty-second edition of the UCI Mountain Bike World Cup | |
| Details | |
|---|---|
| Dates | May–September 2021 |
| Races | 6 (XCO) 6 (DHI) |
| Champions | |
| Male individual champion |  Mathias Flückiger (XCO) Loïc Bruni (DH) |
| Female individual champion | Loana Lecomte (XCO) Valentina Höll (DH) |
The 2021 Mercedes-Benz UCI Mountain Bike World Cup was a series of races in Olympic Cross-Country (XCO), Cross-Country Eliminator (XCE), and Downhill (DHI). Each discipline had an Elite Men and an Elite Women category. There were also under-23 categories in the XCO and junior categories in the DHI.