| Mateusz Jachlewski | |
| Nationality: | Polish |
| Birth Date: | 27 December 1984 |
| Birth Place: | Gdynia, Poland |
| Height: | 1.84m (06.04feet) |
| Position: | Centre back, Left wing |
| Currentclub: | Wybrzeże Gdańsk |
| Clubnumber: | 15 |
| Years1: | 1993–2003 |
| Clubs1: | SMS Gdańsk |
| Years2: | 2003–2006 |
| Clubs2: | AZS AWFiS Gdańsk |
| Years3: | 2006–2020 |
| Clubs3: | Vive Kielce |
| Years4: | 2020– |
| Clubs4: | Wybrzeże Gdańsk |
| Nationalyears1: | 2004–2017 |
| Nationalteam1: | Poland |
| Nationalcaps1: | 133 |
| Nationalgoals1: | 271 |
Mateusz Jachlewski (born 27 December 1984) is a Polish handball player for Wybrzeże Gdańsk.
He received a silver medal with the Polish team at the 2007 World Men's Handball Championship. He participated at the 2008 Summer Olympics, where Poland finished fifth.[1]