| Matěj Helešic | |
| Birth Date: | 1996 11, df=yes |
| Birth Place: | Czech Republic |
| Height: | 1.75 m |
| Position: | Left back |
| Currentclub: | Opava (on loan from Pardubice) |
| Youthclubs1: | Baník Ostrava |
| Years1: | 2015–2020 |
| Clubs1: | Baník Ostrava |
| Caps1: | 31 |
| Goals1: | 0 |
| Years2: | 2017 |
| Clubs2: | → Č. Budějovice (loan) |
| Caps2: | 4 |
| Goals2: | 0 |
| Years3: | 2018–2019 |
| Clubs3: | → Č. Budějovice (loan) |
| Caps3: | 30 |
| Goals3: | 1 |
| Years4: | 2019 |
| Clubs4: | → Č. Budějovice (loan) |
| Caps4: | 8 |
| Goals4: | 0 |
| Years5: | 2020 |
| Clubs5: | → Opava (loan) |
| Caps5: | 9 |
| Goals5: | 0 |
| Years6: | 2020–2022 |
| Clubs6: | Opava |
| Caps6: | 58 |
| Goals6: | 13 |
| Years7: | 2022– |
| Clubs7: | Pardubice |
| Caps7: | 39 |
| Goals7: | 0 |
| Years8: | 2024 |
| Clubs8: | → Dukla Prague (loan) |
| Caps8: | 9 |
| Goals8: | 1 |
| Years9: | 2024– |
| Clubs9: | → Opava (loan) |
| Caps9: | 0 |
| Goals9: | 0 |
| Nationalyears1: | 2013–2014 |
| Nationalteam1: | Czech Republic U18 |
| Nationalcaps1: | 14 |
| Nationalgoals1: | 0 |
| Nationalyears2: | 2015–2016 |
| Nationalteam2: | Czech Republic U19 |
| Nationalcaps2: | 3 |
| Nationalgoals2: | 0 |
| Nationalyears3: | 2016–2017 |
| Nationalteam3: | Czech Republic U20 |
| Nationalcaps3: | 7 |
| Nationalgoals3: | 0 |
| Club-Update: | 20 June 2024 |
Matěj Helešic (born 12 November 1996) is a professional Czech football defender currently playing for Opava, on loan from Pardubice in the Czech National Football League.