Cerny (French pronunciation: [sɛʁni] ⓘ) is a commune in the Essonne department in Île-de-France in northern France.

It has an airfield named Aérodrome de Cerny - La Ferté-Alais, including an airplane museum.

[3] Inhabitants of Cerny are known as Cernois in French.

Saint-Pierre Church, from the 13th century, officially became a historical monument 10 February 1948.

Château de Villiers: François I gave the Villiers castle to Jean de Selve, after de Selve negotiated the Madrid treaty in 1526.