| Margency | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Margency (Val-d'Oise).svg |
| Coordinates: | 49.0025°N 2.2903°W |
| Arrondissement: | Sarcelles |
| Canton: | Montmorency |
| Intercommunality: | CA Plaine Vallée |
| Mayor: | Thierry Brun[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 55 |
| Elevation Max M: | 125 |
| Area Km2: | 0.72 |
| Insee: | 95369 |
| Postal Code: | 95580 |
Margency (pronounced as /fr/) is a commune in the Val-d'Oise department and Île-de-France region of France.
The composer Victor Serventi died in Margency on 16 March 2000.