| Acronym | Definition |
|---|
| IANA | Internet Assigned Numbers Authority |
| IANA | Intermodal Association of North America |
| IANA | I Am Not A ... (laywer, accountant, doctor, etc.) |
| IANA | Internet Assignment Numbers Authority |
| IANA | Industrial Automation North America (trade show) |
| IANA | Islamic Assembly of North America |
| IANA | Indian and Northern Affairs (Canada) |
| IANA | Immigration, Asylum and Nationality Act (UK) |
| IANA | Iowa Association of Nurse Anesthetists |
| IANA | Indiana Association of Nurse Anesthetists |
| IANA | International Academic Nursing Alliance |
| IANA | Irish Apheresis Nurses Association |
| IANA | International Academy Nutrition & Aging |