Yaƙin Scythian na Darius I wani balaguron soji ne zuwa sassan Scythia na Turai da Darius I, sarkin Daular Achaemenid ya yi, a shekara ta 513 K.Z..Scythiyawa mutanen Gabashin Iran ne, wadanda suka mamaye kafafen yada labarai, suka yi wa Darius tawaye, suka kuma yi barazanar kawo cikas ga harkokin kasuwanci tsakanin Asiya ta tsakiya da gabar tekun Black Sea yayin da suke zaune a tsakanin kogin Danube da Don da kuma Bahar Black Sea.An yi kamfen a wasu sassan yankin Balkan da Ukraine , da kuma kudancin Rasha.Scythians sun yi nasarar kauce wa yin arangama kai tsaye da sojojin Farisa saboda salon salon tafiyarsu da rashin zama (sai Gelonus), yayin da Farisawa suka yi asara saboda ƙazamin dabarar da Sikiyan suka yi.Duk da haka, Farisa sun ci yawancin gonakinsu da aka noma kuma suka lalata abokan haɗin gwiwarsu, wanda hakan ya tilasta wa Sithiyawa daraja sojojin Farisa.Darius ya dakatar da ci gaba don ƙarfafa nasarorin da ya samu, kuma ya gina layin tsaro.