Saint-Lyé-la-Forêt (French pronunciation: [sɛ̃ lje la fɔʁɛ]) is a commune in the Loiret department in north-central France.

[3] Saint-Lyé-la-Forêt takes it name from Saint Lyé, a hermit who had retired to the forest seeking solitude.

They rest in a reliquary placed at the foot of the altar dedicated to him in the village Church of Saint Roch.

It is reported that during the Crusades, Simon de Bombelle having saved Saint-Louis by covering him with his shield, the king gave him, on his return to France, around 1273, the barony of Mothe-Saint-Lyé which remained in this family.

The building, with a central staircase, sits at the end of a main courtyard surrounded by a moat bordering the castle.