| San Lucas | |
| 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: | 154 |
| Population As Of: | 2010 |
| Population Total: | 6,734 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Coordinates: | 16.6167°N -135°W |
San Lucas is a town and municipality in the Mexican state of Chiapas in southern Mexico.
As of 2010, the municipality had a total population of 6,734,[1] up from 5,673 as of 2005.[2] It covers an area of 154 km2.
As of 2010, the town of San Lucas had a population of 4,716.[1] Other than the town of San Lucas, the municipality had 13 localities, none of which had a population over 1,000.[1]