Gainas
| Gainas | |
|---|---|
| Died | 400 AD | 
| Allegiance | Eastern Roman Empire | 
| Service | 380-400 | 
| Rank | Magister militum per Orientem | 
| Battles / wars | Revolt of Alaric I Gothic Revolt of Tribigild | 
Gainas (Greek: Γαϊνάς) was a Gothic leader who served the Eastern Roman Empire as magister militum during the reigns of Theodosius I and Arcadius. He played an important role in the events in the eastern part of the empire by the end of the 4th century.