Marcus Antonius Hiberus was a Roman senator, who was active during the reign of Hadrian.
Besides his consulship, only one office has been attested for Hiberus: his governorship of the imperial province of Moesia Inferior, which is attested by a bilingual inscription recording a letter of Septimius Severus that mentions him as a governor of that province.
[3] Géza Alföldy argues that he was appointed governor around 136, in the last years of Hadrian's reign, and continued into Antoninus Pius' reign to around 139, based on a restoration of a military diploma dated 28 February 138.
[4] Meanwhile, Margaret Roxan and Paul Holder, in publishing a second military diploma, favor the first years of Antoninus Pius' reign, namely from around 138 to about 141.
[5] This matter is complicated by the fact that one Julius Crassus is also attested as governor of Moesia Inferior around this same time.