| Acronym | Definition |
|---|
| UNAC | United Nations Association in Canada |
| UNAC | United Nurses Associations of California (Union of Health Care Professionals; San Dimas, CA) |
| UNAC | Universidad Nacional del Callao (Peru) |
| UNAC | Union Nationale des Auteurs et Compositeurs (French: National Union of Authors and Composers; est. 1959) |
| UNAC | Upland NGO (Non-Governmental Organization) Assistance Committee (resource management assistance consortium; Philippines) |
| UNAC | Universal Accommodation (Coventry, UK) |
| UNAC | United Nations Association of Cuba |