(Ἀρητάδης), of Cnidus, of uncertain date, wrote a work on Macedonian affairs (Μακεδονικά) in three books at least, and another on the history of islands (νησιωτικά) in two books at least. (Plut. Parall. 11, 27.) It is uncertain whether the Aretades referred to by Porphyry (apud Euseb. Praep. Ev. 10.3), as the author of a work Περὶ συνεμπτώσεως, is the same as the above or not.