| 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 |