Saint-Jean-de-Beauregard () is a commune in the Essonne department in the ÃÂle-de-France region in Northern France. It is best known for its 17th-century Château de Saint-Jean de Beauregard (or Château de Beauregard).
Inhabitants of Saint-Jean-de-Beauregard are known as Bellinagardinois (masculine) and Bellinagardinoises (feminine) in French.