Luis Vassy (born 10 January 1980) is a French high ranking civil servant, diplomat, and director of Sciences Po.

Prior to that he served as Ambassador of France to the Netherlands and permanent representative to the Organisation for the Prohibition of Chemical Weapons from 2019 until 2022.

[2] Vassy was born on 10 January 1980 in Fontenay-sous-Bois, an eastern suburb of Paris in Île-de-France.

The son of an Uruguayan agricultural engineer father and an Argentine legal expert mother, both political refugees, he grew up in low-rent housing in Fontenay-sous-Bois.

He is an alum of the École nationale d'administration, where he was classmates with future-President of France, Emmanuel Macron and his predecessor at Sciences Po, Mathias Vicherat.