| Grégory Dufer | |
| Fullname: | Grégory Dufer |
| Birth Date: | 19 December 1981 |
| Birth Place: | Charleroi, Belgium |
| Height: | 1.75m |
| Position: | Right winger |
| Youthclubs1: | RFCS Marcinelle |
| Years1: | 1999–2004 |
| Years2: | 2004–2005 |
| Years3: | 2005–2007 |
| Years4: | 2007 |
| Years5: | 2007–2010 |
| Years6: | 2008–2009 |
| Years7: | 2011–2014 |
| Years8: | 2014–2015 |
| Years9: | 2015–2016 |
| Years10: | 2016–2017 |
| Clubs1: | Charleroi |
| Clubs2: | Caen |
| Clubs3: | Club Brugge |
| Clubs4: | Lokeren |
| Clubs5: | Standard Liège |
| Clubs6: | → Tubize (loan) |
| Clubs7: | Sint-Truiden |
| Clubs8: | Seraing United |
| Clubs9: | Antwerp |
| Clubs10: | RFC Liège |
| Caps1: | 138 |
| Caps2: | 21 |
| Caps3: | 21 |
| Caps4: | 12 |
| Caps5: | 22 |
| Caps6: | 26 |
| Caps7: | 74 |
| Caps8: | 31 |
| Caps9: | 25 |
| Caps10: | ? |
| Goals1: | 21 |
| Goals2: | 1 |
| Goals3: | 2 |
| Goals4: | 1 |
| Goals5: | 1 |
| Goals6: | 6 |
| Goals7: | 20 |
| Goals8: | 15 |
| Goals9: | 7 |
| Goals10: | ? |
| Nationalyears1: | 1998–1999 |
| Nationalteam1: | Belgium U18 |
| Nationalcaps1: | 10 |
| Nationalgoals1: | 2 |
| Nationalyears2: | 2000–2003 |
| Nationalteam2: | Belgium U21 |
| Nationalcaps2: | 19 |
| Nationalgoals2: | 3 |
| Nationalyears3: | 2004 |
| Nationalteam3: | Belgium |
| Nationalcaps3: | 4 |
| Nationalgoals3: | 1 |
Grégory Dufer (born 19 December 1981) is a Belgian former international footballer.[1]