Arrianus (Greek: Ἀρριανός) was historian of ancient Greece, who lived at, or shortly after, the time of Gaius Julius Verus Maximus, and wrote a history of emperor Maximinus Thrax and the Gordiani.
It is not improbable that he may be the same as Lucius Annius Arrianus, who is mentioned as consul in 243 CE.
[1] This article incorporates text from a publication now in the public domain: Schmitz, Leonhard (1870).
In Smith, William (ed.).
Dictionary of Greek and Roman Biography and Mythology.