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

Wissous experienced significant development since the beginning of the 20th century, with its population increasing by eightfold from 1900 to 2011.

[5] Wissous is located in the Longboyau plain, between the valleys of the Bièvre, the Orge, the Seine, and the Yvette.

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

The commune's logo, placed on official documents, has one fleur de lys, one gear, and one ear of corn.