| Guillaume Graechen | |
| Birth Date: | 1977 4, df=yes |
| Birth Place: | Vernon, France |
| Height: | 1.70 m |
| Position: | Midfield |
| Currentclub: | Hoàng Anh Gia Lai (manager) |
| Years1: | 1994–1995 |
| Clubs1: | Cercle Dijon |
| Caps1: | 21 |
| Goals1: | 0 |
| Years2: | 1995–1996 |
| Clubs2: | Angers |
| Caps2: | 28 |
| Goals2: | 0 |
| Years3: | 1996–1998 |
| Clubs3: | Sedan |
| Caps3: | 42 |
| Goals3: | 0 |
| Years4: | 1998–2006 |
| Clubs4: | Romorantin |
| Caps4: | 206 |
| Goals4: | 8 |
| Years5: | 2006–2007 |
| Clubs5: | Imphy-Decize |
| Caps5: | 16 |
| Goals5: | 1 |
| Totalcaps: | 313 |
| Totalgoals: | 9 |
| Manageryears1: | 2007–2014 |
| Manageryears2: | 2013–2014 |
| Managerclubs2: | Vietnam U19 |
| Manageryears3: | 2015 |
Guillaume Graechen (born 1977) is a French retired footballer who played as a midfield. He was the manager for Hoàng Anh Gia Lai[1]