Jean de Villiers, Seigneur of L'Isle-Adam (c. 1384 – 22 May 1437) was a French nobleman and military commander who fought in the Hundred Years' War.

King Charles VI of France made him maître des eaux et forêts of Normandy.

On 29 May 1418 he succeeded in conquering the city of Paris, and was involved in the following massacre, in which Bernard VII, Count of Armagnac was also killed.

After holding Beauvais against the English, he was imprisoned in 1420 in the Bastille when Thomas Beaufort, Duke of Exeter conquered Paris.

The Order of the Golden Fleece was established on 10 January 1430, by Philip the Good, Duke of Burgundy, in celebration of the prosperous and wealthy domains united in his person that ran from Flanders to Switzerland.