Arsenius (Latinized form) and Arsenios (Greek form) is a male first name. It is derived from the Greek word arsenikos (ἀρσενικός), meaning "male", "virile".
Russian: Arseny (Russian:Арсений, also transliterated as Arseni, Arseniy, Arsenij, Arsenie). The Russian surnameArsenyev is derived from it. The older form of this name is Arsentiy (Арсентий)