Flavianus

Flavianus – the adjectival form of the Latin name Flavius – may refer to:


 * Marcus Pompeius Silvanus Staberius Flavianus, 1st-century Roman consul
 * Lucius Septimius Flavianus Flavillianus, 3rd-century Roman athlete
 * Marcus Cocceius Anicius Faustus Flavianus, 3rd-century Roman consul
 * Flavianus (prefect of Egypt), 4th-century prefect of Roman Egypt
 * Virius Nicomachus Flavianus, also known as Flavianus the Elder, 4th-century Roman consul and prefect of Italy
 * Nicomachus Flavianus, also known as Flavianus the Younger, son of Virius Nicomachus Flavianus
 * Flavianus of Avellino (d. 311), priest from Antioch, see Modestinus, Florentinus and Flavianus
 * Flavian of Constantinople (d. 449), patriarch
 * Fravitta of Constantinople, also known as Flavian II of Constantinople (d. 490), patriarch
 * Flavian I of Antioch, 4th-century archbishop
 * Flavian II of Antioch, late 5th- and early 6th-century archbishop
 * Flavianus of Adramyttium, 5th-century bishop of Adramyttium
 * Flavianus (bishop of Cotenna), 6th-century bishop of Cotenna
 * Flavianus Michael Malke (1858–1915), Syrian Catholic eparch of Cizre