Ermanaric (died 376) was a Greuthungian Gothic king who before the Hunnic invasion evidently ruled a sizable portion of Oium, the part of Scythia inhabited by the Goths at the time. He is mentioned in two Roman sources: the contemporary writings of Ammianus Marcellinus, and in Getica by the sixth-century historian Jordanes. He also appears in a fictionalized form in later Germanic heroic legends.