Arsenios may refer to the following saints:
- Arsenius the Great (May 8)
- Arsenios the Great, Catholicos of Georgia
- Arsenios of Paros, the New (January 31 and August 18)
- Arsenios the Cappadocian (November 10)
- Pope Arsenius of Alexandria (July 11)
- Arsenios of Novgorod the Fool-for-Christ, Novgorod Russian (May 8 and July 12)
- Arsenios of Latros
- Arsenios of Georgia
- Arsenios of Iqalto in Georgia
- Patr. Arsenius Autoreianus of Constantinople
- Abp. Arsenios of Corfu (January 19)
- Abp. Arsenius I of Serbia I (October 28)
- Abp. Arsenios of Serbia
- Bp. Arsenius of Tver (March 2)
- Bp. Arsenios of Ninotsminda
- Venerable Arsenius the Lover-of-Labor of the Kiev Far caves
- Arsenius the Abbot of Konevits
- Arsenius the Abbot of Komel, Vologda
- Arsenios the Cave-Dweller