| Birth Date: | 13 March 1947[1] |
| Birth Place: | Champdor, France |
| Death Place: | Mont-Saint-Aignan, France |
| Height: | 1.87m (06.14feet) |
| Weight: | 85kg (187lb) |
| Sport: | Athletics |
| Event: | 400 m, 400 m hurdles |
| Club: | AC Paris-Joinville Racing CF, Paris |
| Pb: | 400 m – 45.1 (1970) 400 mH – 48.6 (1970) |
| Show-Medals: | yes |
Jean-Claude Nallet (13 March 1947 – 19 August 2023) was a French sprinter that competed in the 1968 Summer Olympics in the 400 m and 4 × 400 m relay and at the 1976 Summer Olympics in the 400 m hurdles and reached the final in the relay.[2] He won two gold and two silver medals in these events at the European championships of 1969 to 1974. Nallet retired after finishing sixth in the 400 m hurdles at the 1978 European Athletics Championships. He was married to French Olympic gymnast Chantal Seggiaro.[3]
Nallet died on 19 August 2023, at the age of 76.[4]