Lénora Guion-Firmin (born 7 August 1991) is a French sprinter who competes in the sprint with a personal best time of 51.68 seconds at the 400 metres event.
She competed for University of Tulsa and University of Maryland Eastern Shore.[1][2] She twice earned All-America status in 2012, reaching the NCAA finals in the 400-meter dash in both indoor and outdoor. She earned the same distinction in 2013, reaching the finals in the 400-meter dash in the NCAA Outdoor Championships. In July 2013, Guion-Firmin captured three medals in the European Championships, U23. She took gold in the 400 meters, silver in the 200 meters and was part of the bronze-medal winning 4x400 meter relay team.