Wilfried Happio (born 22 September 1998) is a French athlete specialising in the 400 metres hurdles.

In January 2025, Happio was provisionally suspended from competing for an anti-doping rule violation in relation to missed tests ("whereabouts failures").

[3] In 2020, Happio is accused of assaulting triple jump athlete Janet Scott, with whom he had a brief romantic relationship.

[4] In 2022, he is the subject of a complaint for acts of sexual assault dating back to 2021 which were allegedly committed against another athlete resident at INSEP, a specialist in triple jump.

He is eventually taken into custody on December 20 as part of the investigation for "sexual assault".