In Greek mythology, Dioplethes was a Phthian prince as son of King Myrmidon and possibly Peisidice (daughter of Aeolus), thus brother to Antiphus, Actor,[1] Erysichthon,[2][3] Eupolemeia[4][5] and Hiscilla.[6] In some accounts, he was the father of Perieres, King of Messenia.[7]