Savigny-sur-Orge (French pronunciation: [saviɲi syʁ ɔʁʒ] ⓘ, literally Savigny upon Orge) is a commune in the southern suburbs of Paris, France.

During the 2005 civil unrest in France, Savigny was the first city to implement a curfew.

Writer Patrick Erouart-Siad (born 1955 in Savigny) won the 1993 Prix Ève Delacroix of the Académie française.

Louis-Nicolas Davout, a military commander under Napoleon, died in Savigny-sur-Orge, and one of the squares bears his name.

The city hosts a baseball team called The Lions of Savigny-sur-Orge which plays at a national level.