| San Nicolás | |
| Settlement Type: | Municipality |
| Pushpin Map: | Nicaragua |
| Pushpin Label Position: | right |
| Pushpin Mapsize: | 250 |
| Pushpin Map Caption: | Location in Nicaragua |
| Subdivision Type: | Country |
| Subdivision Name: |  Nicaragua |
| Subdivision Type1: | Department |
| Subdivision Name1: | Estelí |
| Unit Pref: | Imperial |
| Area Total Km2: | 163 |
| Population As Of: | 2005 |
| Population Total: | 6768 |
| Population Density Km2: | auto |
| Population Urban: | 6286 |
| Coordinates: | 12.9331°N -86.3469°W |
| Blank Name: | Climate |
| Blank Info: | Aw |
San Nicolás is a municipality in the Estelí department of Nicaragua.