| Birth Date: | 6 July 1992 |
| Birth Place: | Oranienburg, Germany |
| Height: | 1.80 m |
| Position: | Left-back |
| Currentclub: | Middelfart |
| Clubnumber: | 13 |
| Youthyears1: | –2010 |
| Youthclubs1: | Union Berlin |
| Years1: | 2010–2012 |
| Clubs1: | Werder Bremen II |
| Caps1: | 11 |
| Goals1: | 0 |
| Years2: | 2012–2013 |
| Clubs2: | Sportfreunde Siegen |
| Caps2: | 4 |
| Goals2: | 0 |
| Years3: | 2013–2014 |
| Clubs3: | Union Berlin II |
| Caps3: | 28 |
| Goals3: | 0 |
| Years4: | 2014–2015 |
| Clubs4: | Berliner AK 07 |
| Caps4: | 23 |
| Goals4: | 2 |
| Years5: | 2015–2017 |
| Clubs5: | Hertha BSC II |
| Caps5: | 53 |
| Goals5: | 10 |
| Years6: | 2017 |
| Clubs6: | Hertha BSC |
| Caps6: | 0 |
| Goals6: | 0 |
| Years7: | 2015–2018 |
| Clubs7: | Chemnitzer FC |
| Caps7: | 27 |
| Goals7: | 1 |
| Years8: | 2018–2019 |
| Clubs8: | Berliner AK 07 |
| Caps8: | 43 |
| Goals8: | 1 |
| Years9: | 2020 |
| Clubs9: | Næstved |
| Caps9: | 14 |
| Goals9: | 0 |
| Years10: | 2020–2022 |
| Clubs10: | Fremad Amager |
| Caps10: | 41 |
| Goals10: | 1 |
| Years11: | 2022 |
| Clubs11: | → Kolding (loan) |
| Caps11: | 4 |
| Goals11: | 1 |
| Years12: | 2022– |
| Clubs12: | Middelfart |
| Caps12: | 49 |
| Goals12: | 1 |
| Nationalyears1: | 2009 |
| Nationalteam1: | Germany U18[1] |
| Nationalcaps1: | 1 |
| Nationalgoals1: | 0 |
| Club-Update: | 23 April 2024 |
Marcus Mlynikowski (born 6 July 1992) is a German professional footballer who plays as a left-back for Danish 2nd Division club Middelfart Boldklub.
On 12 August 2020, Mlynikowski joined Danish 1st Division club Fremad Amager.[2] Mlynikowski was loaned out to Danish 2nd Division club Kolding IF for the rest of the season on 31 January 2022.[3] On 20 July 2022, Mlynikowski joined Middelfart Boldklub.[4]