Saint-Hilaire-sur-Puiseaux (French pronunciation: [sɛ̃.t‿ilɛʁ syʁ pɥizo], literally Saint-Hilaire on Puiseaux) is a commune in the Loiret department in north-central France.

It is located about 60 km east of Orléans, on the Puiseaux river.

Its neighbouring communes include Ouzouer-des-Champs, Solterre, Oussoy-en-Gâtinais, Varennes-Changy and Montcresson.

The village has a small chateau, on a square plan with corner turrets.

This Loiret geographical article is a stub.