| Jan Firlej | |
| Birth Date: | 26 September 1996 |
| Birth Place: | Radom, Poland |
| Height: | 1.88 m |
| Weight: | 84 kg |
| Spike: | 330 cm |
| Position: | Setter |
| Currentclub: | Projekt Warsaw |
| Currentnumber: | 5 |
| Years: | 2013–2015 2015–2018 2018–2019 2019–2021 2021–2022 2022– |
| Teams: | Czarni Radom AZS Politechnika Warszawska Lindemans Aalst GKS Katowice AZS Olsztyn Projekt Warsaw |
| Nationalyears: | 2022– |
Jan Firlej (born 26 September 1996) is a Polish professional volleyball player who plays as a setter for Projekt Warsaw and the Poland national team.[1] [2]