Paray-Vieille-Poste (French pronunciation: [paʁɛ vjɛj pɔst] ⓘ) is a commune in the Essonne department in Île-de-France in northern France.

The Sarraut law of 15 March 1928 lead to the quick establishment of vital infrastructure.

The commune was affected by World War II bombings against Orly Airport.

[7] Prior to its re-establishment as OpenSkies, the airline L'Avion (Elysair SAS) was headquartered in that location.

[10][11] AOM French Airlines had its head office in Building 363 at Orly Airport and in Paray-Vieille-Poste.