| Matias Nielsen | |
| Nationality: | Danish |
| Birth Place: | Denmark |
| Career1: | Denmark |
| Career2: | Esbjerg |
| Years2: | 2018–2024 |
| Career3: | Poland |
| Career4: | Poznań |
| Years4: | 2020-2021, 2024 |
| Career5: | Ostrów |
| Years5: | 2022–2023 |
| Career6: | Sweden |
| Career7: | Dackarna |
| Years7: | 2020 |
| Career8: | Lejonen |
| Years8: | 2023 |
| Career9: | Västervik |
| Years9: | 2024 |
| Teamyear1: | 2020 |
| Teamhonour1: | Team U21 World Championship silver |
| Teamyear2: | 2020, 2022 |
| Teamhonour2: | Team Junior European Championship silver |
| Teamyear3: | 2023 |
| Teamhonour3: | Danish League |
Matias Nielsen (born 28 July 1999) is a speedway rider from Denmark.[1] [2] [3] [4]
Nielsen came to prominence in 2019 when he won the silver medal at the Danish Under 21 Individual Speedway Championship.[5] The following season he repeated the success and also won a silver medal at both the 2020 Team Speedway Junior European Championship and the 2020 Team Speedway Junior World Championship.[6]
In 2022, he won his second European Junior Championship silver medal[7] and rode for Ostrów in Poland and Esbjerg in Denmark.[8] In 2023, he helped Esbjerg Vikings win the Danish League.[9]