| Jan Sedlák | |
| Fullname: | Jan Sedlák |
| Birth Date: | 1994 10, df=yes |
| Birth Place: | Blansko, Czech Republic |
| Position: | Defensive midfielder |
| Youthyears1: | 2002–2007 |
| Youthclubs1: | SK Sokol Lipovec |
| Youthyears2: | 2007–2010 |
| Youthclubs2: | FK Apos Blansko |
| Youthyears3: | 2010–2013 |
| Youthclubs3: | Zbrojovka Brno |
| Years1: | 2013–2021 |
| Clubs1: | Zbrojovka Brno |
| Caps1: | 104 |
| Goals1: | 0 |
| Years2: | 2013–2015 |
| Clubs2: | → Líšeň (loan) |
| Caps2: | 9 |
| Goals2: | 1 |
| Years3: | 2015–2016 |
| Clubs3: | → Karviná (loan) |
| Caps3: | 23 |
| Goals3: | 2 |
| Years4: | 2021–2023 |
| Clubs4: | Sigma Olomouc |
| Caps4: | 26 |
| Goals4: | 1 |
| Years5: | 2023–2024 |
| Clubs5: | Ruch Chorzów |
| Caps5: | 18 |
| Goals5: | 0 |
| Pcupdate: | 28 May 2024 |
Jan Sedlák (born 25 October 1994) is a Czech professional footballer who plays as a defensive midfielder.