| Sergej Schmik | |
| Birth Date: | 27 November 1989 |
| Birth Place: | Olgino, Soviet Union[1] |
| Height: | 1.79 m |
| Position: | Full-back |
| Youthyears1: | 1996–2005 |
| Youthclubs1: | SSG Paderborn |
| Youthyears2: | 2005–2010 |
| Youthclubs2: | SC Paderborn |
| Years1: | 2010–2012 |
| Clubs1: | SC Paderborn |
| Caps1: | 1 |
| Goals1: | 0 |
| Years2: | 2012–2013 |
| Clubs2: | SV Wilhelmshaven |
| Caps2: | 17 |
| Goals2: | 0 |
| Years3: | 2013–2014 |
| Clubs3: | SV Meppen |
| Caps3: | 48 |
| Goals3: | 2 |
| Years4: | 2014–2018 |
| Clubs4: | Hessen Kassel |
| Caps4: | 126 |
| Goals4: | 7 |
| Years5: | 2018–2021 |
| Clubs5: | SC Verl |
| Caps5: | 39 |
| Goals5: | 0 |
| Totalcaps: | 231 |
| Totalgoals: | 9 |
| Manageryears1: | 2020– |
| Managerclubs1: | SC Verl (assistant) |
Sergej Schmik (born 27 November 1989) is a German former professional footballer and coach who is assistant manager of SC Verl. He played as a full-back and had a spell in the 2. Bundesliga with SC Paderborn 07.
After starting his career at SC Paderborn 07, Schmik joined SV Wilhelmshaven in the summer of 2012.[2] He left Wilhemshaven in January 2013 to join SV Meppen.[3] In the summer of 2014, he signed for Hessen Kassel.[4] After making over 100 appearances for the club over a four-year period, Schmik signed for SC Verl in summer 2018.[5] In 2020 Schmik became the assistant manager at SC Verl alongside his playing duties.[6]