| Oussouye | |
| Settlement Type: | Department |
| Mapsize: | 240 |
| Pushpin Label Position: | bottom |
| Pushpin Mapsize: | 300 |
| Subdivision Type: | Country |
| Subdivision Name: |  Senegal |
| Subdivision Type1: | Region |
| Subdivision Name1: | Ziguinchor Region |
| Subdivision Type2: | Capital |
| Subdivision Name2: | Oussouye |
| Area Total Km2: | 891 |
| Population As Of: | 2023 census |
| Population Total: | 52,883 |
| Population Density Km2: | auto |
| Population Blank1 Title: | Ethnicities |
| Timezone: | GMT |
| Utc Offset: | +0 |
Oussouye Department is one of the departments of Senegal, located in the Ziguinchor Region. It's situated in Basse Casamance, on the right bank of the mouth of the Casamance River.
Oussouye is its main village, which is also the only commune of the department.
It is divided in two arrondissements made up of rural districts (communautés rurales):
The most important economic activities are farming, specially rice farming in the mangrove zone, tourism and fishing. Oussouye is one of the biggest touristic centers in Senegal, with seaside resorts like Cap-skirring and Djimbéring. Fishing is also an important source of revenue thanks to the existence of the mangrove ecosystem.