| Reforma | |
| 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 |
| Unit Pref: | Imperial |
| Area Total Km2: | 434.9 |
| Area Blank1 Title: | City |
| Area Blank1 Km2: | 11.07 |
| Population As Of: | 2020 census |
| Population Footnotes: | [1] |
| Population Total: | 44829 |
| Population Density Km2: | auto |
| Population Blank1 Title: | City |
| Population Blank1: | 29018 |
| Population Blank2 Title: | Gender |
| Population Blank2: | 21908 males and 22921 females |
| Population Blank3 Title: | Religions |
| Population Density Blank1 Km2: | auto |
| Coordinates: | 17.8639°N -93.1464°W |
Reforma is a city and municipality in the Mexican state of Chiapas in southern Mexico.
As of 2010, the municipality had a total population of 40,711,[2] up from 34,809 as of 2005.[3] It covers an area of 434.9 km².
As of 2010, the city of Reforma had a population of 26,257.[2] Other than the city of Reforma, the municipality had 33 localities, the largest of which (with 2010 populations in parentheses) were: El Carmen (El Limón) (2,182), Rafael Pascacio Gamboa (1,133), and Miguel Hidalgo (1,056), classified as rural.[2]
On May 8, 2019, an illegal gasoline truck exploded in Reforma.[4] Mayor Herminio Valdez Castillo said the explosion occurred in an uninhabited area and there were no victims.[5]