| Acronym | Definition |
|---|
| CNA | Certified Nursing Assistant |
| CNA | Certified Novell Administrator |
| CNA | California Nurses Association |
| CNA | Channel News Asia |
| CNA | Canadian Nurses Association |
| CNA | College of the North Atlantic (Newfoundland and Labrador, Canada) |
| CNA | Converged Network Adapter |
| CNA | Cyprus News Agency |
| CNA | Comisión Nacional del Agua (México) |
| CNA | Central News Agency |
| CNA | Centre National des Arts (National Arts Centre - Canada) |
| CNA | Center for Naval Analyses |
| CNA | Confederação Nacional da Agricultura (Portugese: National Agriculture Confederation) |
| CNA | Cisco Networking Academy |
| CNA | Canadian Newspaper Association |
| CNA | Computer Network Attack |
| CNA | Centro Nacional de las Artes (Mexico) |
| CNA | Certified Network Administrator |
| CNA | Consejo Nacional Agropecuario (Spanish: National Agricultural Council; Mexico) |
| CNA | Canadian Nuclear Association |
| CNA | Canadian Numbering Administrator |
| CNA | Connecticut Nurses' Association |
| CNA | Colorado Nurses' Association |
| CNA | Certified NetWare Administrator |
| CNA | Could Not Attend (UK National Health Service) |
| CNA | Customer Name and Address |
| CNA | Canadian Numismatic Association |
| CNA | Chin National Army |
| CNA | Convertisseur Numérique Analogique (French: Analogical Digitizer) |
| CNA | Canadian Naturopathic Association |
| CNA | Computer Network Administrator (education) |
| CNA | Child Nutrition Act of 1966 |
| CNA | Certified Nurse's Aid |
| CNA | Climate Network Africa (Kenya) |
| CNA | Certified in Nursing Administration |
| CNA | Consejo Nacional de Adopciones (Guatemala) |
| CNA | Collective Negotiation Agreement |
| CNA | Canadian National Anthem |
| CNA | Communication Network Architecture |
| CNA | Caspian News Agency |
| CNA | Capabilities Needs Analysis (US DoD) |
| CNA | Customer Needs Analysis |
| CNA | Coal and Allied |
| CNA | Counter Narcotics Alliance (Arizona) |
| CNA | Confederación Nacional Agronómica (Mexico) |
| CNA | Consejo Nacional de la Alimentacion (Spanish) |
| CNA | Certified Nursing Associate |
| CNA | Centralized Network Administration (AMP) |
| CNA | Chief Naval Architect |
| CNA | Chicago Nurses Association |
| CNA | Change of Name and Address |
| CNA | Carrington Neighborhood Association (Waldorf, Maryland) |
| CNA | Center for Nursing Advocacy, Inc (Baltimore, Maryland) |
| CNA | Cornea Plana |
| CNA | Canadian Nanobusiness Alliance |
| CNA | Commander's Narrative Analysis |
| CNA | Code Not Allocated |
| CNA | Customer Network Address |
| CNA | Conventional Nuclear Arms (Military WMD) |
| CNA | Conference Notification Announcement |
| CNA | Charles Nechtem Associates, Inc. |
| CNA | Concilio Nacional de Asesores (Spanish: National Council of Advisors; Puerto Rico) |
| CNA | Club Nautique Angevin (French sailing club) |
| CNA | Centrale Nucléaire des Ardennes (French: Ardennes Nuclear Power Plant; Ardennes, France) |
| CNA | Confédération Nationale des Avocats (French: National Confederation of Lawyers) |
| CNA | Club Nautique Autunois (French water sports club) |
| CNA | Conseil National de l'Alimentation (French: National Food Council) |
| CNA | Colistin Nalidixic Agar |
| CNA | Constructions Nord Alsace (French construction company) |
| CNA | Cognition Naturelle et Artificielle (French: Natural and Artificial Cognition) |
| CNA | Conseil National des Assurances (French: National Insurance Council; various locations) |
| CNA | Community Needs Assessment (various locations) |
| CNA | Cinéma Numérique Ambulant (French: Mobile Digital Cinema; various locations) |
| CNA | Caisse Nationale des Autoroutes (French: National Motorways Fund; est. 1963) |
| CNA | Campus Numérique des Alpes (French: Digital Campus of the Alps; education) |
| CNA | Centre National de l'Audiovisuel (French: National Audiovisual Center; Luxembourg) |
| CNA | Club Nautique d'Antibes (French sailing club) |
| CNA | Cercle National des Armées (French: National Circle of Armed Forces) |
| CNA | Code National d'Alerte (French: National Alert Code) |
| CNA | Centre National d'Alphabétisation (French: National Center for Literacy) |
| CNA | Commission Nationale d'Arbitrage (French: National Arbitration Committee) |