| Margaux-Cantenac | |
| Commune Status: | Commune |
| Arrondissement: | Lesparre-Médoc |
| Canton: | Le Sud-Médoc |
| Insee: | 33268 |
| Postal Code: | 33460 |
| Mayor: | Sophie Martin[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Médoc Estuaire |
| Coordinates: | 45.042°N -0.676°W |
| Area Km2: | 21.62 |
Margaux-Cantenac (pronounced as /fr/; oc-gascon|Margaus e Cantenac) is a commune in the department of Gironde, southwestern France. The municipality was established on 1 January 2017 by merger of the former communes of Margaux (the seat) and Cantenac.[2]