| Oto | |
| Settlement Type: | village |
| Pushpin Map: | Spain Aragon#Spain |
| Pushpin Map Caption: | Location in Aragon##Location in Spain |
| Coordinates: | 42.5986°N -0.1281°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Spain |
| Subdivision Type1: | Community |
| Subdivision Type2: | Province |
| Subdivision Name2: | Huesca |
| Subdivision Type3: | Comarca |
| Subdivision Name3: | Sobrarbe |
| Subdivision Type4: | Municipality |
| Subdivision Name4: | Broto |
| Elevation M: | 931 |
| Population Footnotes: | [1] |
| Population Total: | 72 |
| Population As Of: | 2017 |
| Population Density Km2: | auto |
| Timezone: | GMT |
| Utc Offset: | +1 |
| Timezone Dst: | GMT |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
Oto is a village located in the municipality of Broto, Province of Huesca, Aragon, Spain.