| Ducos | |
| Commune Status: | Commune |
| Adjustable Map: | Locator map of Ducos 2018.png |
| Map Size: | 210px |
| Map Caption: | Location of the commune (in red) within Martinique |
| Coordinates: | 14.575°N -60.975°W |
| Arrondissement: | Le Marin |
| Mayor: | Aurélie Nella[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Espace Sud de la Martinique |
| Elevation Min M: | 0 |
| Elevation Max M: | 160 |
| Area Km2: | 37.69 |
| Insee: | 97207 |
| Postal Code: | 97224 |
Ducos (pronounced as /fr/; Martinican Creole: Dikos) is a town and commune in the French overseas department and region, and island of Martinique. It is where the prison is located.
It was called "Trou-au-chat" until 1855, and was renamed after the French politician Théodore Ducos. Its inhabitants are Ducossais.