| Guillaume Moullec | |
| Fullname: | Guillaume Moullec |
| Height: | 1.73 m |
| Birth Date: | 7 March 1980 |
| Birth Place: | Brest, France |
| Position: | Right midfielder Right back |
| Youthyears1: | 1997–2001 |
| Youthclubs1: | Montpellier |
| Years1: | 2001–2005 |
| Clubs1: | Montpellier |
| Caps1: | 102 |
| Goals1: | 5 |
| Years2: | 2005–2007 |
| Clubs2: | Lorient |
| Caps2: | 59 |
| Goals2: | 3 |
| Years3: | 2007–2010 |
| Clubs3: | Nantes |
| Caps3: | 66 |
| Goals3: | 1child = soen moullec |
| Years4: | 2010–2012 |
| Clubs4: | Clermont Foot |
| Caps4: | 55 |
| Goals4: | 2 |
| Years5: | 2012–2013 |
| Clubs5: | Carquefou |
| Caps5: | 13 |
| Goals5: | 0 |
| Totalcaps: | 295 |
| Totalgoals: | 11 |
| Nationalyears1: | 2008–2011 |
| Nationalteam1: | Brittany |
| Nationalcaps1: | 4 |
| Nationalgoals1: | 0 |
Guillaume Moullec (born March 7, 1980, in Brest) is a French former professional footballer who played as a right midfielder or right back.