For the grammarian, see Aelius Herodianus. For the dynasty, see Herodian Dynasty. For the saint numbered among the Seventy Disciples, see Herodion of Patras.

Herodian or Herodianus (Greek:Ἡρωδιανός) of Syria, sometimes referred to as "Herodian of Antioch" (c. 170 – c. 240), was a minor Roman civil servant who wrote a colourful history in Greek titled History of the Empire from the Death of Marcus (τῆς μετὰ Μάρκον βασιλείας ἱστορία) in eight books covering the years 180 to 238. His work is not entirely reliable although his relatively unbiased account of Elagabalus is more useful than that of Cassius Dio. He was a Greek (perhaps from Antioch) who appears to have lived for a considerable period of time in Rome, but possibly without holding any public office. From his extant work, we gather that he was still living at an advanced age during the reign of Gordianus III, who ascended the throne in 238. Beyond this, nothing is known of his life.