| Born | 3 October 2002 (age 22) Tarnów, Poland |
|---|---|
| Nationality | Polish |
| Career history | |
| Poland | |
| 2021–2024 | Lublin |
| Sweden | |
| 2023–2024 | Lejonen |
| Denmark | |
| 2024 | Fjelsted |
| Speedway Grand Prix statistics | |
| Starts | 1 |
| Finalist | 0 times |
| Winner | 0 times |
| Individual honours | |
| 2022, 2023 | World Under-21 champion |
| Team honours | |
| 2022, 2023 | Team world U21 champion |
| 2019, 2020, 2022, 2023, 2024 | Team European U23 champion |
| 2022, 2023, 2024 | Polish champions |
| 2024 | Swedish champions |
Mateusz Cierniak (born on 3 October 2002) is an international speedway rider from Poland.[1][2]