| Official Name: | San Martín de la Virgen de Moncayo, Spain |
| Area Total Km2: | 5.48 |
| Elevation M: | 552 |
| Population Density Km2: | auto |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
San Martín de la Virgen de Moncayo is a municipality located in the province of Zaragoza, Aragon, Spain. According to the 2004 census (INE), the municipality has a population of 291 inhabitants.