| 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) |