| Châteauneuf-les-Martigues | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason de la ville de Châteauneuf-les-Martigues (13).svg |
| Arrondissement: | Istres |
| Canton: | Marignane |
| Insee: | 13026 |
| Postal Code: | 13220 |
| Mayor: | Roland Mouren[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Aix-Marseille-Provence |
| Coordinates: | 43.3838°N 5.165°W |
| Elevation M: | 40 |
| Elevation Min M: | 0 |
| Elevation Max M: | 203 |
| Area Km2: | 31.65 |
Châteauneuf-les-Martigues (pronounced as /fr/; oc|Castèunòu dau Martegue) is a commune in the Bouches-du-Rhône department in southern France. The La Mède refinery is nearby and has been in operation since 1935.