In Greek mythology, Idmon (Ancient Greek: Ἴδμων means "having knowledge of" or "the knowing") may refer to the following individuals: * Idmon, one of the fifty sons of Aegyptus, who married and was killed by the Danaid Pylarge. * Idmon, father of Arachne. * Idmon, an Argonaut seer and son of Apollo or Abas. * Idmon, herald of Turnus. * Idmon, a figure briefly mentioned in Statius' Thebaid. He came from Epidaurus and was portrayed in the poem cleansing Tydeus' wounds after a battle.