| Koumpentoum | |
| Settlement Type: | Department |
| Mapsize: | 320px |
| Pushpin Label Position: | bottom |
| Pushpin Mapsize: | 300 |
| Subdivision Type: | Country |
| Subdivision Name: |  Senegal |
| Subdivision Type1: | Region |
| Subdivision Name1: | Tambacounda |
| Subdivision Type2: | Capital |
| Subdivision Name2: | Koumpentoum |
| Population As Of: | 2023 census |
| Population Total: | 199,457 |
| Population Density Km2: | auto |
| Population Blank1 Title: | Ethnicities |
| Timezone: | GMT |
| Utc Offset: | ±00:00 |
Koumpentoum Department is one of the 45 departments of Senegal, located here,[1] one of the four in the Tambacounda Region of east Senegal. It was created in 2008.
The department has two urban communes; Koumpentoum and Malem Niani.
The rest of the department is divided into two arrondissements, which are in turn divided into rural districts (communautés rurales):