| Jiří Koubský | |
| Height: | 1.95 m |
| Birth Date: | 5 August 1982 |
| Currentclub: | FC Köniz (assistant coach) |
| Youthyears1: | 1987–1995 |
| Youthclubs1: | Jiskra Kyjov |
| Youthyears2: | 1995–1996 |
| Youthyears3: | 1996–2000 |
| Youthclubs3: | Zlín |
| Years1: | 2000–2005 |
| Clubs1: | Zlín |
| Caps1: | 54 |
| Goals1: | 3 |
| Years2: | 2004 |
| Clubs2: | → Sparta Prague (loan) |
| Caps2: | 2 |
| Goals2: | 1 |
| Years3: | 2005–2010 |
| Clubs3: | St. Gallen |
| Caps3: | 130 |
| Goals3: | 9 |
| Years4: | 2010–2011 |
| Caps4: | 12 |
| Goals4: | 2 |
| Years5: | 2011–2012 |
| Caps5: | 23 |
| Goals5: | 1 |
| Years6: | 2013 |
| Clubs6: | Aarau |
| Caps6: | 16 |
| Goals6: | 1 |
| Years7: | 2013–2014 |
| Clubs7: | Wil |
| Caps7: | 25 |
| Goals7: | 1 |
| Years8: | 2014–2018 |
| Clubs8: | Köniz |
| Caps8: | 76 |
| Goals8: | 5 |
| Years9: | 2018–2019 |
| Clubs9: | Köniz II |
| Caps9: | 7 |
| Goals9: | 2 |
| Nationalyears1: | 1998 |
| Nationalcaps1: | 7 |
| Nationalgoals1: | 0 |
| Nationalyears2: | 1999–2000 |
| Nationalcaps2: | 13 |
| Nationalgoals2: | 0 |
| Nationalyears3: | 2000–2001 |
| Nationalcaps3: | 12 |
| Nationalgoals3: | 2 |
| Nationalyears4: | 2002 |
| Nationalcaps4: | 2 |
| Nationalgoals4: | 0 |
| Nationalyears5: | 2002–2003 |
| Nationalcaps5: | 16 |
| Nationalgoals5: | 4 |
| Manageryears1: | 2018 |
| Managerclubs1: | Köniz II (assistant) |
| Manageryears2: | 2019 |
| Managerclubs2: | Köniz (assistant) |
| Manageryears3: | 2019–2020 |
| Managerclubs3: | Köniz II |
| Manageryears4: | 2020– |
| Managerclubs4: | Köniz (assistant) |
Jiří Koubský (born 5 August 1982) is a Czech football coach and a former defender. He is an assistant manager with the Swiss club Köniz.