| Acronym | Definition |
|---|
| NAGC | National Association for Gifted Children |
| NAGC | National Association of Government Communicators |
| NAGC | National Association of Government Contractors |
| NAGC | National Art Gallery of China |
| NAGC | National American Glass Club, Ltd. |
| NAGC | Naval Armed Guard Center (US Navy) |
| NAGC | North American Grappling Championships |
| NAGC | National Association of Gas Chlorinators |
| NAGC | National Association of Gas Consumers |
| NAGC | National Automotive Glass Consultants |
| NAGC | National American Greek Council (est. 2004) |
| NAGC | North American Guaranty Corporation |
| NAGC | National Annual Giving Committee |
| NAGC | North Anhua Group Corporation |
| NAGC | Non-Academic Grievance Coordinator |
| NAGC | National Age Group Championship (swimming) |
| NAGC | North America Gladiolus Council |
| NAGC | Noise Automatic Gain Control |