| Petr Wojnar | |
| Birth Date: | 1989 1, df=yes |
| Birth Place: | Třinec, Czechoslovakia |
| Full Name: | Petr Wojnar[1] |
| Position: | Midfielder |
| Currentclub: | FC Hlučín |
| Youthyears1: | 1995–2001 |
| Youthyears2: | 2001–2008 |
| Youthclubs2: | FC Baník Ostrava |
| Years1: | 2008–2011 |
| Clubs1: | Ostrava |
| Caps1: | 20 |
| Goals1: | 0 |
| Years2: | 2010–2011 |
| Clubs2: | → Kladno (loan) |
| Caps2: | 26 |
| Goals2: | 11 |
| Years3: | 2011–2015 |
| Clubs3: | Mladá Boleslav |
| Caps3: | 12 |
| Goals3: | 1 |
| Years4: | 2012 |
| Clubs4: | → Karviná (loan) |
| Caps4: | 7 |
| Goals4: | 0 |
| Years5: | 2012–2013 |
| Clubs5: | → Vlašim (loan) |
| Caps5: | 13 |
| Goals5: | 4 |
| Years6: | 2013–2014 |
| Clubs6: | → Třinec (loan) |
| Caps6: | 21 |
| Goals6: | 2 |
| Years7: | 2014 |
| Clubs7: | → Banská Bystrica (loan) |
| Caps7: | 11 |
| Goals7: | 0 |
| Years8: | 2015 |
| Clubs8: | → Vítkovice (loan) |
| Years9: | 2016 |
| Clubs9: | Vítkovice |
| Years10: | 2017– |
| Clubs10: | Hlučín |
| Nationalyears1: | 2009 |
| Nationalteam1: | Czech Republic U-20 |
| Nationalcaps1: | 2 |
| Nationalgoals1: | 0 |
| Nationalyears2: | 2009–2010 |
| Nationalteam2: | Czech Republic U-21 |
| Nationalcaps2: | 3 |
| Nationalgoals2: | 1 |
| Pcupdate: | 9 August 2019 |
Petr Wojnar (born 12 January 1989) is a Czech football player who plays as a midfielder.
He was a member of the Czech under-20 squad in the 2009 FIFA U-20 World Cup.