| Alberdi Department | |
| Native Name Lang: | es |
| Settlement Type: | Department |
| Mapsize: | 180px |
| Pushpin Map Caption: | Location of Alberdi Department in Argentina |
| Coordinates: | -26.5839°N -62.8472°W |
| Coor Pinpoint: | Campo Gallo |
| Subdivision Type: | Country |
| Subdivision Name: |  Argentina |
| Subdivision Type1: | Province |
| Subdivision Name1: | Santiago del Estero |
| Seat Type: | Head town |
| Seat: | Campo Gallo |
| Unit Pref: | Metric |
| Area Total Km2: | 13507 |
| Population Footnotes: | [1] |
| Population Total: | 15617 |
| Population As Of: | 2001 |
| Population Density Km2: | auto |
| Timezone1: | ART |
| Utc Offset1: | -3 |
Alberdi Department is a department of Santiago del Estero Province, Argentina in the region of the Chaco Santiagueño. It is bordered on the north by Copo Department, on the east by Chaco Province, on the south by Moreno Department and Figueroa Department, and on the west by the Salado River which separates it from the Jiménez Department and Pellegrini Department. Its head town is Campo Gallo.
The department was created by provincial law No. 782, which was adopted on June 27, 1921, which modified the law No. 353 and dividing Copo Department to create Alberdi Department.[2]