A son of Jason by Hypsipyle, in the island of Lemnos, from whence he supplied the Greeks during their war against Troy with wine. He purchased Lycaon, a Trojan prisoner, of Patroclus for a silver urn. (Hom. Il. vii. 468, xxiii. 741, &c.; Strab. i. p. 41.) The Euneidae, a famous family of cithara-players in Lemnos, traced their origin to Euneus. (Eustath. ad Hom. p. 1327; Hesych. s. v. Euneidai.)