(Ἀρμένιος or Ἄρμενος), one of the Argonauts, who was believed to have been a native of Rhodes or of Armenion in Thessaly, and to have settled in the country which was called, after him, Armenia. (Strab. xi. p.530, &c.; Justin, 42.2; Steph. Byz. s. v. Ἀρμενία.)