| Acronym | Definition |
|---|
| SNAC | Syndicat National des Auteurs et des Compositeurs (French: National Union of Authors and Composers) |
| SNAC | Systems and Network Attack Center (NSA) |
| SNAC | Scientific Nutrition for Advanced Conditioning |
| SNAC | Sunday Night After Church |
| SNAC | Single Network Access Code (INMARSAT) |
| SNAC | Significant New Activity (Canadian Environmental Protection Act) |
| SNAC | SMS/800 Number Administration Committee |
| SNAC | Swedish National Allocations Committee |
| SNAC | Scaphoid Nonunion Advanced Collapse |
| SNAC | Syndicat National des Agriculteurs Comoriens (French: National Farmers' Union of Comoros) |
| SNAC | Standard North American Corporate (finance) |
| SNAC | Social Networks and Cyberinfrastructure |
| SNAC | Syndicat National des Affaires Culturelles (French: National Union of Cultural Affairs) |
| SNAC | School Neighborhood Advisory Committee |
| SNAC | Stade Nantais Athletic Club (French: Nantes Stadium Athletic Club; France) |
| SNAC | Sport Nutrition for the Athletes of Canada |
| SNAC | Syndicat National de l'Aviation Civile |
| SNAC | Sub-Network Access |
| SNAC | Association pour la Sécurité de La Nourriture pour Animaux de Compagnie (French: Pet Food Safety Association) |
| SNAC | Standing North Atlantic Council |
| SNAC | SEMO Negros Activity Council |
| SNAC | Single Network Adaptive Critic Architecture |
| SNAC | Simple Network for Atomic Communication |
| SNAC | Sharing News About Christ |
| SNAC | Société Nantaise d'Aménagement de Combles (French interior design company) |
| SNAC | SMS Numbering Administration Committee (ATIS) |
| SNAC | Sentinel Node Versus Axillary Clearance (clinical trial; Royal Australasian College of Surgeons) |