The 2021 FIA World Rallycross Championship is set to go underway on July 23-24 in a Friday and Saturday evening format at the Circuit de Barcelona-Catalunya at Montmeló in Spain.
The list of entries for the opening round looks as follows:
| No. | Driver | Car | Competitor |
|---|---|---|---|
| 1 |  Johan Kristoffersson | Audi S1 | KYB EKS JC |
| 7 |  | |
|
| 9 | Kevin Hansen | Peugeot 208 | Hansen World RX Team |
| 17 | Dan Öberg | VW Polo Mk5 | Hedströms Motorsport |
| 18 |  Juha Rytkönen | Hyundai i20 | Juha Rytkönen |
| 21 | Timmy Hansen | Peugeot 208 | Hansen World RX Team |
| 23 |  Krisztián Szabó | Hyundai i20 | GRX-SET World RX Team |
| 38 |  Mandie August | SEAT Ibiza Mk4 | ALL-INKL.COM Münnich Motorsport |
| 42 |  Oliver Bennett | BMW MINI Cooper | Oliver Bennett |
| 44 | Timo Scheider | SEAT Ibiza Mk4 | ALL-INKL.COM Münnich Motorsport |
| 50 | Attila Mózer | Ford Fiesta | Nyirád Motorsport Kft. |
| 68 | Niclas Grönholm | Hyundai i20 | GRX-SET World RX Team |
| 69 |  Kevin Abbring | Renault Mégane Mk4 |  Unkorrupted |
| 73 | Tamás Kárai | Audi S1 | Kárai Motorsport Sportegyesület |
| 77 | René Münnich | SEAT Ibiza Mk4 | ALL-INKL.COM Münnich Motorsport |
| 83 | Patrick Guillerme | Hyundai i20 | Patrick Guillerme |
| 91 |  Enzo Ide | Audi S1 | KYB EKS JC |