| Saint-Louis Region | |
| Native Name: | |
| Settlement Type: | Region |
| Image Map1: | Map of the departments of the Saint-Louis region of Senegal.png |
| Map Caption1: | Saint-Louis région, divided into 3 departments |
| Coordinates: | 16.2167°N -62°W |
| Subdivision Type: | Country |
| Subdivision Name: | Senegal |
| Parts Type: | Départements |
| P1: | Dagana |
| P2: | Podor |
| P3: | Saint-Louis |
| Seat Type: | Capital |
| Seat: | Saint-Louis |
| Unit Pref: | Metric |
| Area Total Km2: | 19241 |
| Population Total: | 1,204,863 |
| Population As Of: | 2023 census |
| Population Density Km2: | auto |
| Timezone: | GMT |
| Utc Offset: | +0 |
| Blank Name Sec1: | HDI (2017) |
| Blank Info Sec1: | 0.482[1] · 4th |
The Saint-Louis Region of Senegal is on the border with Mauritania. Its capital is Saint-Louis.
Famous for the cast iron bridge in its capital, built by French colonialists in the 19th century, the region includes the Djoudj National Bird Sanctuary, home to thousands of birds, some indigenous to the area.
Saint-Louis region is divided into 3 départements:
Saint-Louis is traversed by the northwesterly line of equal latitude and longitude.