| El Cuy | |
| Native Name: | Departamento El Cuy |
| Settlement Type: | Department |
| Subdivision Type: | Country |
| Subdivision Name: | Argentina |
| Subdivision Type1: | Province |
| Subdivision Name1: | Río Negro |
| Established Title: | Established |
| Seat Type: | Capital |
| Seat: | El Cuy |
| Leader Title: | Mayor |
| Unit Pref: | Metric |
| Area Total Km2: | 22475 |
| Population Total: | 5280 |
| Population As Of: | 2001 |
| Population Density Km2: | auto |
| Postal Code Type: | Postal Code |
| Area Code Type: | Area Code |
El Cuy is a department of Río Negro Province (Argentina).[1] [2]