The Chapel Saint-Blaise-des-Simples is a monument in the municipality of Milly-la-Forêt (Essonne, Ile-de-France). It is an attraction for holidaymakers staying in the region.
Remains of a 12th century leper, the Chapel of St. Blaise was at its restoration in 1959, decorated by Jean Cocteau who resided in the village of Milly since 1945.