In Greek mythology, Sterope (; Ancient Greek: Στερόπη, from , steropē, lightning) was a daughter of Cepheus, king of Tegea in Arcadia. She received from Heracles a lock of the Gorgon Medusa's hair to help her protect her hometown, Tegea from attack thus the hero won Cepheus' friendship.Apollodorus, 3.13.3
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References Pseudo-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. Online version at the Perseus Digital Library. Greek text available from the same website.