| Official Name: | Port-Margot |
| Native Name: | Pò Mago |
| Settlement Type: | Commune |
| Pushpin Map: | Haiti |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location in Haiti |
| Subdivision Type: | Country |
| Subdivision Name: | Haiti |
| Subdivision Type1: | Department |
| Subdivision Name1: | Nord |
| Subdivision Type2: | Arrondissement |
| Subdivision Name2: | Borgne |
| Population As Of: | 7 August 2003 |
| Population Footnotes: | [1] |
| Population Total: | 36,937 |
| Coordinates: | 19.75°N -72.4333°W |
| Elevation M: | 108 |
Port-Margot (Haitian; Haitian Creole: Pò Mago) is a commune in the Borgne Arrondissement, in the Nord department of Haiti. It has 36,937 inhabitants.
The commune consists of six communal sections, namely: