Valentin Foubert (; born 17 August 2002) is a French ski jumper. Placing fifth on the normal hill individual event in Milano Cortina at the 2026 Winter Olympics, he set the best ever French men's ski jumping individual result in Winter Olympics history.
He is the current French national record holder with , set in Planica 2026.
Foubert represented France at the 2020 Winter Youth Olympics and won a bronze medal in the mixed team normal hill. He also finished in fourth place in the Nordic mixed team normal hill.
On 29 December 2020, he made a World Cup debut at the 4H Tournament in Oberstdorf where he took 55th place. During the opening event of the 2024 FIS Ski Jumping Grand Prix on 13 August 2024, he earned his first career FIS Ski Jumping Grand Prix podium, finishing in second place. The next day he again finished in second place.
During the 2025/26 World Cup season he earned four top-10 finishes in the World Cup, including fifth place on 29 November 2025, and his best finish, fourth place on 14 December 2025. He was subsequently selected to represent France at the 2026 Winter Olympics.