Chaillé-sous-les-Ormeaux (French pronunciation: [ʃaje su le.z‿ɔʁmo]) is a former commune in the Vendée department in the Pays de la Loire region in western France. On 1 January 2016, it was merged into the new commune of Rives-de-l'Yon.

The village lies above the right bank of the river Yon, which forms most of the commune's eastern border.

• Communes of the Vendée department