ICNA
| Acronym | Definition |
|---|---|
| ICNA | Islamic Circle of North America |
| ICNA | Infection Control Nurses Association |
| ICNA | International Child Neurology Association (est. 1973) |
| ICNA | Insurance Company of North America |
| ICNA | Ingénieur du Contrôle de la Navigation Aérienne (French: Competition Engineering Control of Air Navigation) |
| ICNA | Industrial Chemicals Notification and Assessment Act (Australia; 1989) |