ARZ
| Acronym | Definition |
|---|---|
| ARZ | Allgemeines Rechenzentrum GmbH (Innsbruck, Austria) |
| ARZ | Ambulantes Reha-Zentrum (German: Outpatient Rehabilitation Center) |
| ARZ | Auto-Restricted Zone |
| ARZ | Add and Reset to Zero |
| ARZ | Académie du Ritsu Zen (French: Academy of Ritsu Zen; martial arts school) |
| ARZ | Association for Revival of Zoroastrianism |
| ARZ | Aquatic Ruin Zone (Sonic 2 level) |