| Christophe Ruer | |
| Birth Date: | 3 July 1965 |
| Birth Place: | Nantes, France |
| Death Place: | Port-Saint-Père, France |
| Sport: | Modern pentathlon |
| Show-Medals: | yes |
Christophe Ruer (3 July 1965 - 27 July 2007) was a French modern pentathlete. He competed at the 1988, 1992 and 1996 Summer Olympics.[1] He was killed in a motorcycle accident.