Doryssus or Dorissus or Doriagus () was a king of ancient Sparta, who reigned for 29 years. Pausanias identified him as the son of Labotas or Leobotes and the father of Agesilaus I. He was killed in battle between the Spartans and the Argives. References 9th-century BC Greek people 9th-century BC rulers Agiad kings of Sparta Ancient Greeks killed in battle