| Nicolás Ruíz | |
| 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: | Chiapas |
| Established Title: | Settled |
| Established Date: | 25 February 1868 |
| Area Total Km2: | 137 |
| Population As Of: | 2010 |
| Population Total: | 4,317 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Coordinates: | 16.4333°N -127°W |
| Website: | www.nicolasruizchiapas.com |
Nicolás Ruíz is a town and municipality in the Mexican state of Chiapas in southern Mexico.
As of 2010, the municipality had a total population of 4,317,[1] up from 3,135 as of 2005.[2] It covers an area of 137 km2. Other than the town of Nicolás Ruíz, the municipality had 2 localities, neither of which had a population over 1,000.[1]
The settlement was originally known as San Diego de la Reforma; it acquired its present name on 14 February 1934 to honor 19th-century Governor of Chiapas Nicolás Ruiz.