Ablabius is an unknown Roman/Greek writer or historian of the late Antiquity. He is mentioned only three times in Jordanes' work 'de origine actibusque Getarum' written ca. AD 551 (Get. 28; 84; 117). Ablabius has had several identities ascribed to him by modern scholars. One suggestion is that he can be identified with the sophist Ablabius the Galatian (IV/V AD.). In this paper the author rejects this hypothesis as unproven und discusses some minor problems concerning Ablabius.