| Guillaume Le Floch | |
| Fullname: | Guillaume Le Floch |
| Birth Date: | 16 February 1985 |
| Birth Place: | Saint-Brieuc, France |
| Discipline: | Road, track |
| Role: | Rider |
| Ridertype: | Rouleur |
| Amateuryears1: | 2004–2006 |
| Amateurteam1: | Super Sport 35–ACNC |
| Amateuryears2: | 2012 |
| Amateurteam2: | Côtes d'Armor–Marie Morin |
| Amateuryears3: | 2013 |
| Amateurteam3: | VC Quintin |
| Proyears1: | 2007–2008 |
| Proyears2: | 2009–2011 |
Guillaume Le Floch (born 16 February 1985 in Saint-Brieuc) is a French athlete. Prior to this, he was a road bicycle racer,[1] who competed professionally between 2007 and 2011 for the and squads.