Santeny (French pronunciation: [sɑ̃tni] ⓘ) is a commune in the southeastern suburbs of Paris, France.

Santeny is served by no station of the Paris Métro, RER, or suburban rail network.

This station is located in the commune of Boissy-Saint-Léger, 5.7 km (3.5 mi) from the town center of Santeny.

Santeny has one consolidated preschool/nursery (maternelle) and elementary school: Groupe scolaire des 40 Arpents.

The commune also has Collège Georges-Brassens, a public junior high school.