{Infobox military conflict | conflict = Battle of Sepeia | partof = | image = | date = 494 BC | place = Sepeia, Tiryns | result = Spartan victory | combatant1 = Sparta | combatant2 = Argos | commander1 = Cleomenes I | commander2 = | strength1 = | strength2 = | casualties1 = | casualties2 = 6,000 }