| Acronym | Definition |
|---|
| IOCA➣Image Object Content Architecture |
| IOCA➣Interception of Communications Act (UK) |
| IOCA➣Intercollegiate Outing Club Association |
| IOCA➣Islands of Croatia Award (amateur radio) |
| IOCA➣International Optimist Class Association (UK) |
| IOCA➣Inside Out Community Arts (Los Angeles, CA) |
| IOCA➣In Ovo Carcinogenicity Assay |