| Official Name: | San Andrés |
| Settlement Type: | Municipality |
| Pushpin Map: | Guatemala |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Guatemala |
| Subdivision Type: | Country |
| Subdivision Name: | Guatemala |
| Subdivision Type1: | Department |
| Subdivision Name1: | El Petén |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | San Andrés |
| Government Type: | Municipal |
| Leader Title: | Mayor |
| Leader Name: | Milton Méndez |
| Leader Party: | PP |
| Area Total Km2: | 8874 |
| Population As Of: | Census 2002 |
| Population Total: | 20295 |
| Population Urban: | 5740 |
| Population Blank1 Title: | Ethnicities |
| Population Blank1: | Q’eqchi, Ladino |
| Population Blank2 Title: | Religions |
| Population Blank2: | Roman Catholicism, Evangelicalism, Maya |
| Coordinates: | 16.9675°N -89.9103°W |
| Elevation M: | 150 |
| Blank Name: | Climate |
| Blank Info: | Am |
San Andrés is a municipality in the department of El Petén in Guatemala. The municipality is formed by the town of San Andrés, located on the north-western shore of Lake Petén Itzá, and 55 rural communities, with a total population of 20,295 people (census 2002).[1]
The municipality was created in 1962 and has a territory 8,874 km2, equivalent to 25% of the department of El Petén. In the 1990s, more than 93% (8,288 km2) of the municipality's territory was declared protected nature reserve by the central government.[2]