| Boussy-Saint-Antoine | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Boussy Saint Antoine.svg |
| Coordinates: | 48.6886°N 2.5298°W |
| Insee: | 91097 |
| Postal Code: | 91800 |
| Arrondissement: | Évry |
| Canton: | Épinay-sous-Sénart |
| Intercommunality: | CA Val d'Yerres Val de Seine |
| Mayor: | Romain Colas[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 39 |
| Elevation Max M: | 90 |
| Area Km2: | 2.90 |
Boussy-Saint-Antoine (in French pronounced as /busi sɛ̃.t‿ɑ̃twan/) is a commune in the Essonne department in Île-de-France in northern France.
The town has close connections with the Dutch village Aagtdorp and the Canadian city of Halifax.
Inhabitants of Boussy-Saint-Antoine are known as Buxaciens in French.