| Official Name: | Alianza |
| Native Name: | el mongollano |
| 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: | Valle |
| Subdivision Type2: | Villages |
| Subdivision Name2: | 6 |
| Area Total Km2: | 215 |
| Population As Of: | 2015 |
| Population Total: | 7524 |
| Population Density Km2: | auto |
| Timezone: | Central America |
| Utc Offset: | -6 |
| Coordinates: | 13.5167°N -131°W |
Alianza (pronounced as /es/) is a municipality in the Honduran department of Valle.
At the time of the 2013 Honduras census, Alianza municipality had a population of 7,491. Of these, 98.84% were Mestizo, 0.89% White, 0.20% Black or Afro-Honduran and 0.07% Indigenous, .[1]