| Guy Lefrant | |
| Birth Date: | 26 February 1923 |
| Birth Place: | Muille-Villette, Somme, France |
| Death Date: | 31 December 1993 |
| Death Place: | Rueil-Malmaison, Hauts-de-Seine, France |
| Show-Medals: | yes |
Guy Lefrant (1923 - 1993) was a French equestrian. He won a silver medal in individual eventing at the 1952 Summer Olympics in Helsinki. He won a bronze medal in team eventing at the 1960 Summer Olympics in Rome, together with Jack le Goff and Jéhan Le Roy.[1]