Iardanus or Iardanos (, ) may refer to: Iardanus (father of Omphale), a figure in Greek mythology. Iardanus (river in Crete), mentioned in the Odyssey, identified with the modern Keritis river. Iardanos (river in Elis), a river in Greece which flows into the Ionian Sea at the Monastery of Skafidia, north of Katakolo, mentioned in the Iliad. Iardanos, a former municipality in Greece, now part of the city of Pyrgos in Elis.