| Official Name: | Gema |
| Subdivision Name3: | Ferreras de Arriba |
| Area Total Km2: | 17,85 |
| Population Density Km2: | auto |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
Gema is a municipality located in the province of Zamora, Castile and León, Spain. According to the 2009 census (INE), the municipality has a population of 257 inhabitants. It is located 14 km southwest of Zamora city.