Ammianus Marcellinus, occasionally anglicised as Ammian (Greek: Αμμιανός Μαρκελλίνος; born , died 400), was a Roman soldier and historian who wrote the penultimate major historical account surviving from antiquity (preceding Procopius).

the bishop of Rome from 30 June 296 to his death in 304.

found approximately three kilometers from southeast Rome and the ancient Via Labicana, and date to the 4th century AD.