Agathosthenes (Ἀγαθοσθένης) was a Greek historian or philosopher of uncertain date,^[1] who is referred to by Tzetzes as his authority in matters connected with geography.^[2] There is mention of a work of Agathosthenes called "Asiatica Carmina",^[3] where some writers read the name "Aglaosthenes";^[4] for Aglaosthenes or Aglosthenes, who is by some considered to be the same as Agathosthenes, wrote a work on the history of Naxos, of which nothing remains, but which was much used by ancient writers.^{[5][6][7][8][9]}