| Official Name: | Santa Eulalia de Gállego, Spain |
| Subdivision Name3: | Santa Eulalia de Gállego |
| Area Total Km2: | 29 |
| Population Density Km2: | auto |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
Santa Eulalia de Gállego is a municipality located in the province of Zaragoza, Aragon, Spain. According to the 2004 census (INE), the municipality has a population of 134 inhabitants.