| Oncíns | |
| Official Name: | Oncins |
| Settlement Type: | Locality |
| Pushpin Map: |
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| Pushpin Label: | Oncíns |
| Pushpin Label Position: | left |
| Subdivision Type: | Country |
| Subdivision Type1: | Autonomous community |
| Subdivision Type2: | Province |
| Subdivision Name2: | Province of Huesca |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | El Pueyo de Araguás |
| Population Total: | 18 |
| Coordinates: | 42.4647°N 0.2078°W[1] |
| Elevation M: | 1059 |
| Postal Code Type: | Postal code |
Oncíns or Oncins is a locality located in the municipality of El Pueyo de Araguás, in Huesca province, Aragon, Spain. As of 2020, it has a population of 18.[2]
Oncíns is located 115km northeast of Huesca.