| Maciej Mas | |
| Fullname: | Maciej Daniel Mas |
| Birth Date: | 15 May 2001 |
| Height: | 1.96 m |
| Birth Place: | Łódź, Poland |
| Position: | Striker |
| Currentclub: | Olimpia Grudziądz |
| Clubnumber: | 9 |
| Youthyears1: | 2010–2012 |
| Youthclubs1: | Sokół Aleksandrów Łódzki |
| Youthyears2: | 2012–2018 |
| Youthclubs2: | UKS SMS Łódź |
| Years1: | 2018–2020 |
| Clubs1: | UKS SMS Łódź |
| Caps1: | 11 |
| Goals1: | 18 |
| Years2: | 2019 |
| Clubs2: | → GKS Bełchatów (loan) |
| Caps2: | 17 |
| Goals2: | 0 |
| Years3: | 2020 |
| Clubs3: | → Cagliari Primavera (loan) |
| Caps3: | 6 |
| Goals3: | 4 |
| Years4: | 2020–2022 |
| Clubs4: | Jagiellonia Białystok |
| Caps4: | 0 |
| Goals4: | 0 |
| Years5: | 2020 |
| Clubs5: | Jagiellonia Białystok II |
| Caps5: | 2 |
| Goals5: | 2 |
| Years6: | 2020–2021 |
| Clubs6: | → GKS Bełchatów (loan) |
| Caps6: | 24 |
| Goals6: | 3 |
| Years7: | 2021–2022 |
| Clubs7: | → Skra Częstochowa (loan) |
| Caps7: | 34 |
| Goals7: | 4 |
| Years8: | 2022–2024 |
| Clubs8: | Sandecja Nowy Sącz |
| Caps8: | 34 |
| Goals8: | 4 |
| Years9: | 2024 |
| Clubs9: | Skra Częstochowa |
| Caps9: | 15 |
| Goals9: | 5 |
| Years10: | 2024– |
| Clubs10: | Olimpia Grudziądz |
| Caps10: | 0 |
| Goals10: | 0 |
| Nationalyears1: | 2021 |
| Nationalcaps1: | 3 |
| Nationalgoals1: | 0 |
| Club-Update: | 26 May 2024 |
Maciej Daniel Mas (born 15 May 2001) is a Polish professional footballer who plays as a striker for II liga club Olimpia Grudziądz.
Mas started his career with Polish sixth division side UKS SMS Łódź.
In 2019, he was sent on loan to GKS Bełchatów in the Polish second division.[1]
For the second half of the 2019–20 season, he was sent on loan to Italian Serie A club Cagliari Calcio.[2]
In 2020, Mas returned to GKS Bełchatów.
On 1 August 2022, shortly after terminating his contract with Jagiellonia Białystok, he joined I Liga side Sandecja Nowy Sącz on a two-year contract.[3] On 5 January 2024, he terminated his contract by mutual consent.[4] Three days later, Mas returned to Skra Częstochowa on a six-month contract with an option for another year.[5]
On 21 June 2024, following Sandecja's relegation to the fourth tier, Mas joined II liga club Olimpia Grudziądz.[6]