| Official Name: | Bonansa |
| Coordinates: | 42.4333°N 40°W |
| Subdivision Type: | Country |
| Subdivision Name: | Spain |
| Subdivision Type1: | Autonomous community |
| Subdivision Name1: | Aragon |
| Subdivision Type2: | Province |
| Subdivision Name2: | Huesca |
| Subdivision Type3: | Comarca |
| Subdivision Name3: | Ribagorza |
| Subdivision Type4: | Municipality |
| Subdivision Name4: | Bonansa |
| Government Type: | Mayor-council |
| Governing Body: | Ayuntamiento de Bonansa |
| Leader Party: | PSOE |
| Leader Title: | Mayor |
| Leader Name: | Marcelino Iglesias Cuartero (2011) |
| Area Total Km2: | 37 |
| Elevation M: | 1256 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
Bonansa (pronounced as /es/, in Catalan; Valencian boˈnansa/) is a municipality located in the province of Huesca, Aragon, Spain. According to the 2010 census (INE), the municipality has a population of 102 inhabitants.
Bonansa is located in the central Pyrenees, close to the Spanish-French border. In a diverse natural spot near the Noguera Ribagorzana river.