Ludvy Vaillant (born 15 March 1995 in Fort-de-France, Martinique) is a French athlete competing primarily in the 400 metres hurdles.

[2] He represented his country at the 2017 World Championships reaching the semifinals.

In addition, he won a bronze medal at the 2017 European U23 Championships.

His personal best in the event is 48.30 seconds set in Paris in 2019.

This biographical article about a French hurdler is a stub.