| Estelí | |
| Other Name: | Departamento de Estelí |
| Settlement Type: | Department |
| Subdivision Type: | Country |
| Subdivision Name: | Nicaragua |
| Seat: | Estelí |
| Seat Type: | Capital |
| Area Total Km2: | 2230 |
| Population As Of: | 2021 estimate |
| Population Footnotes: | [1] |
| Population Total: | 230953 |
| Population Density Km2: | auto |
| Population Urban: | 146953 |
| Blank Name: | ISO 3166-2 |
| Blank Info: | NI-ES |
Estelí (pronounced as /es/) is a department of Nicaragua. It covers an area of 2,230 km2 and has a population of 230,953 (2021 estimate). Its capital is the city of Estelí.
The flag of the department contains a horizontal tricolour of red, white and green. Its flag is very similar to the flag of Hungary, but the colours are lighter and there is a different proportion.