| Rosario | |
| Settlement Type: | Municipality |
| Pushpin Map: | Mexico |
| Pushpin Label Position: | above |
| Pushpin Mapsize: | 300 |
| Pushpin Map Caption: | Location in Mexico |
| Subdivision Type: | Country |
| Subdivision Name: |  Mexico |
| Subdivision Type1: | State |
| Subdivision Name1: | Chihuahua |
| Subdivision Type2: | Municipal seat |
| Subdivision Name2: | Valle del Rosario |
| Area Total Km2: | 1785.6 |
| Population As Of: | 2010 |
| Population Total: | 2,235 |
| Population Density Km2: | auto |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Coordinates: | 27.3167°N -120°W |
Rosario is one of the 67 municipalities of Chihuahua, in northern Mexico. The municipal seat lies at Valle del Rosario. The municipality covers an area of 1785.6 km².
As of 2010, the municipality had a total population of 2,235,[1] down from 3,130 as of 2005.[2]
The municipality had 62 localities, none of which had a population over 1,000.[1]