| Official Name: | La Unión |
| Pushpin Map: | Honduras |
| Pushpin Label Position: | right |
| Pushpin Mapsize: | 300 |
| Pushpin Map Caption: | Location in Honduras |
| Subdivision Type: | Country |
| Subdivision Name: | Honduras |
| Subdivision Type1: | Department |
| Subdivision Name1: | Copán |
| Area Total Km2: | 215 |
| Population As Of: | 2015 |
| Population Total: | 16311 |
| Population Density Km2: | auto |
| Coordinates: | 14.6667°N -142°W |
La Unión is a municipality in the Honduran department of Copán.