Arianus

Arianus may refer to:

• Arianus (Ancient Greek: Ἀριανός) was an ancient Greek of the 3rd century BCE; he was a friend of Bolis, and was employed by him to betray Achaeus to Antiochus III the Great in 214 BCE.
• From Ariana, a term used by some Greek and Roman authors for a wide area of Central Asia
• From Arius, an Achaemenid region centered on the city of Herat in present-day western Afghanistan
• Saint Arianus, 3rd century governor of Ansena, killer of martyrs such as Saint Colluthus, later a Coptic saint himself
• Arianus, a fictional world in the Death Gate Cycle by Margaret Weis and Tracy Hickman
• Apodemus arianus, a mouse of family Muridae
• Eriophyes arianus, a species of acari in genus Eriophyes

See also

• Arianus's rat, a rat of family Muridae
• Arrianus (disambiguation)
• Ariano (disambiguation)
• Arius