Arrianus may refer to: * Arrianus (bishop), bishop of Ionia, (c. 363–?) and an Anomoean * Arrianus (jurist), Roman jurisconsult * Arrianus (poet), Greek poet who made a Greek translation in hexameter verse of Virgil's ''Georgics'', possibly conflated with Adrianus (poet) *

Arrian Arrian of Nicomedia (; Greek: ''Arrianos''; ; ) was a Greek historian, public servant, military commander, and philosopher of the Roman period. '' The Anabasis of Alexander'' by Arrian is considered the best source on the campaigns of ...

or (c. 86/89–c. after 146/160), Greek historian, public servant, military commander and philosopher of the Roman period * Arrianus (historian), historical writer of probably around the 3rd century CE * Lucius Annius Arrianus, Roman consul 243 CE * Arrianus (astronomer), Greek astronomer

See also