| Rank | Abbreviation | Meaning |
|---|
| ***** | NCAC | National Consumer Affairs Council
| |
| *** | NCAC | North Carolina Administrative Code
| |
| ** | NCAC | National Copyright Administration of China
| |
| * | NCAC | National Clean Air Coalition
| |
| * | NCAC | National Council for Arts and Culture
| |
| * | NCAC | National Cadet Advisory Council
| |
| * | NCAC | Nipomo Community Advisory Council
| |
| * | NCAC | National Capital Area Council
| |
| * | NCAC | National Customer Assistance Center
| |
| * | NCAC | National Career Academy Coalition
| |
| * | NCAC | Native Community Action Council
| |
| * | NCAC | National Centre for Arts and Culture
| |
| * | NCAC | National Commission for Automatic Control
| |
| * | NCAC | North Carolina Arts Council
| |
| * | NCAC | National Capital Area Chapter
| |
| * | NCAC | Nationally Certified Addictions Counselor
| |
| * | NCAC | National Conventional Arms Control
| |
| * | NCAC | Needham Creative Arts Council
| |
| * | NCAC | Nu Cor Automotive Corporation
| |
| * | NCAC | National Center for Alternative Certification
| |
| * | NCAC | National Consumer Assistance Center
| |
| * | NCAC | Northern California Athletic Conference
| |
| * | NCAC | Network Congestion Analyzer and Controller
| |
| * | NCAC | New Challenges for Access Control
| |
| * | NCAC | Northern Combat Area Command
| |