Ariarathes III of Cappadocia (en), Ariarathe III (fr), Ariarates III (es), Ariarate III di Cappadocia (it), Ariarathes III. (de), Αριαράθης Γ' της Καππαδοκίας (el)Additional labels
Ariarathes III (af), Арыярат III (be), Ариарат III (bg), Ariarates III (ca), Ariarates III.a (eu), Ariarates III de Capadocia (gl), カッパドキアのアリストテレス3世 (ja), Ariarates III (nl), Ariarates III (pl), Ariarate III (pt), Ариарат III (ru), Arijarat III od Kapadokije (sh), Аріарат III (uk), Ariarathes III của Cappadocia (vi), 阿里阿拉特三世 (zh)
Ariarathes III (Ancient Greek: Ἀριαράθης, Ariaráthēs; reigned 262 or 255 – 220 BC), son of Ariamnes, ruler of Cappadocia,
and grandson of Ariarathes II, married Stratonice, a daughter of Antiochus II, king of Syria and wife Laodice I, and obtained
a share in the government during the lifetime of his father. About 250 BC he was the first ruler of Cappadocia to proclaim
himself king (basileus). It is known that he sided with Antiochus Hierax in his war against Seleucus II Callinicus[citation
needed]. Ariarathes is also said to have expanded his kingdom adding Cataonia to his dominions. By his marriage he was the
father of Ariarathes IV.