IOZ
| Acronym | Definition |
|---|---|
| IOZ | Institute of Zoology (various locations) |
| IOZ | Inorganic Zinc |
| IOZ | Intermediate Ore Zone (mining; New Guinea) |
| IOZ | Internal Oxidation Zone |
| IOZ | Izbira Osebnega Zdravnika (Slovenian: Choice of Personal Physician) |
| IOZ | Ictal Onset Zone |