Lorris is a commune in the Loiret department in north-central France.
Lorris is located 17 km northeast of Sully-sur-Loire, 20 km southwest of Montargis, 46 km east of Orléans and 110km south of Paris. It is in the southernmost part of the historical region Gâtinais. It is east of the Foret d'Orléans, and gave its name to the Massif de Lorris, the easternmost part of the Orléans forest.