In Greek mythology, Orithyia or Oreithyia (; ; ; ) was the name of the following women:

• Orithyia or Orythya, the Nereid of raging seas and one of the 50 marine-nymph daughters of the 'Old Man of the Sea' Nereus and the Oceanid Doris. She and her other sisters appear to Thetis when she cries out in sympathy for the grief of Achilles at the slaying of Patroclus.

• Orithyia, a daughter of Cecrops, wife of Makednos and mother of Europus.

• Orithyia, a daughter of Erechtheus, who was abducted by Boreas.

• Orithyia, a nymph, who was either the mother of Cinyras by Belus or the wife of Cinyras and mother of Smyrna/Myrrha (thus doublet of Cenchreis).

• Orithyia, queen of the Amazons.

Notes

References

• Antoninus Liberalis, The Metamorphoses of Antoninus Liberalis translated by Francis Celoria (Routledge 1992). Online version at the Topos Text Project.

• Apollodorus, The Library with an English Translation by Sir James George Frazer, F.B.A., F.R.S. in 2 Volumes, Cambridge, MA, Harvard University Press; London, William Heinemann Ltd. 1921. ISBN 0-674-99135-4. Online version at the Perseus Digital Library. Greek text available from the same website.

• Gaius Julius Hyginus, Fabulae from The Myths of Hyginus translated and edited by Mary Grant. University of Kansas Publications in Humanistic Studies. Online version at the Topos Text Project.

• Homer, The Iliad with an English Translation by A.T. Murray, Ph.D. in two volumes. Cambridge, MA., Harvard University Press; London, William Heinemann, Ltd. 1924. . Online version at the Perseus Digital Library.

• Homer, Homeri Opera in five volumes. Oxford, Oxford University Press. 1920. . Greek text available at the Perseus Digital Library.

• Stephanus of Byzantium, Stephani Byzantii Ethnicorum quae supersunt, edited by August Meineike (1790–1870), published 1849. A few entries from this important ancient handbook of place names have been translated by Brady Kiesling. Online version at the Topos Text Project.