Euro RX3 Entry List - World RX of Portugal 2023
| No. | Driver | Nat. | Team | Nat. | Car |
| 6 | Damian LITWINOWICZ | POL | Volland Racing | POL | Audi A1 |
| 8 | Espen ISAKSÆTRE | NOR | Volland Racing | POL | Audi A1 |
| 12 | Jens HVAAL | NOR | Jens Hvaal | NOR | Škoda Fabia |
| 14 | David BOUET | FRA | Team RX Evolution | FRA | Renault Clio |
| 18 | Zsolt SZÍJJ ‘JOLLY’ | HUN | Speedy Motorsport | HUN | Audi A1 |
| 30 | Nils VOLLAND | DEU | Volland Racing | POL | Audi A1 |
| 33 | Martin KJÆR | NOR | Martin Kjær | NOR | Škoda Fabia |
| 58 | Dominik SENEGACNIK | AUT | KRTZ Motorsport | CZE | Škoda Fabia |
| 75 | Mário BARBOSA | PRT | Mario Barbosa | PRT | Citroën C2 |
| 99 | João RIBEIRO | PRT | Volland Racing | POL | Audi A1 |
| 103 | Jorge MACHADO | PRT | Jorge Machado | PRT | Citroën C2 |
| 104 | Andre SOUSA | PRT | Andre Sousa | PRT | Audi A1 |
| 105 | Rogerio SOUSA | PRT | Rogerio Sousa | PRT | Ford Fiesta |
| 121 | Tiago FERREIRA | PRT | Tiago Ferreira | PRT | Peugeot 208 |
| 129 | António SOUSA | PRT | António Sousa | PRT | Peugeot 208 |
| 131 | Balázs KÖRMÖCZI | HUN | Szada Ring Racing KFT | HUN | Volkswagen Polo |
| 146 | Joaquim MACHADO | PRT | Joaquim Machado | PRT | Audi A1 |
| 147 | Leonel SAMPAIO | PRT | Leonel Sampaio | PRT | Škoda Fabia |
| 149 | Sergio DIAS | PRT | Sergio Dias | PRT | Renault Twingo |