| Atamisqui Department | |
| Native Name Lang: | es |
| Settlement Type: | Department |
| Mapsize: | 180px |
| Pushpin Map Caption: | Location of Atamisqui Department within Santiago del Estero Province |
| Coordinates: | -28.4964°N -63.8175°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Argentina |
| Subdivision Type1: | Province |
| Subdivision Name1: | Santiago del Estero |
| Seat Type: | Head town |
| Seat: | Villa Atamisqui |
| Unit Pref: | Metric |
| Population Total: | 2683 |
| Population As Of: | 2001 |
| Population Density Km2: | auto |
| Timezone1: | ART |
| Utc Offset1: | -3 |
Atamisqui Department (Spanish; Castilian: Departamento Atamisqui) is a department of Argentina in Santiago del Estero Province. The capital city of the department is situated in Villa Atamisqui.