| Acid Neutralization Capacity | Academic & Science |
| Acid Neutralizing Capacity | Academic & Science |
| Aaniiih Nakoda College | Academic & Science |
| ancient | Academic & Science |
| National Academy of Surgery | Academic & Science |
| Académie Nationale de Chirurgie | Academic & Science |
| National Academy of Sciences (Costa Rica) | Academic & Science |
| Academia Nacional de Ciencias | Academic & Science |
| Air Navigation Commission | Academic & Science |
| Advisory Neighborhood Commissioners | Business |
| Advisory Neighborhood Commissions | Business |
| Association of Noise Consultants | Business |
| Academy of the New Church | Community |
| Action for Neighbourhood Change | Community |
| Annual National Conference | Community |
| Advisory Neighborhood Commission | Community |
| Austin Neighborhoods Council | Community |
| African National Congress | Computing |
| Ancillary | Computing |
| Advanced Numeric Control | Computing |
| Announcement Controller | Computing |
| Advanced Network Conference | Computing |
| Advanced Networking Center | Computing |
| Annual Network Conference | Computing |
| All Number Calling | Computing |
| Anchor Protocol | Cryptocurrency |
| Anoncoin | Cryptocurrency |
| Arkansas Northeastern College | Educational Institute |
| Active Noise Cancelling | Electronics |
| Automatic Noise Cancelling | Electronics |
| Canon Computer Pattern Maker List of Pattern Colors | File Type |
| Actual Neurological Condition | General |
| Active Natural Cells | General |
| Active Noice Cancellation | General |
| All Night Canteen | General |
| Alcohol Not Cigarette | General |
| Ayeye Nayi Corona | General |
| Aquatic Nuisance Control | General |
| Average Neighbor Count | General |
| Active Noise Control | General |
| Asheville North Carolina | General |
| Automatic Noise Control | General |
| Arts aNd Crafts | General |
| Automated Numerical Control | General |
| Adaptive and Neural Computation | General |
| American National Corpus | General |
| Accumulation Nepotism Cronyism | General |
| Another New Con | General |
| Active Noise Cancellation | General |
| Ante Natal Check | General |
| Amazing Nail Concepts | General |
| Another NkaNdla Coming | General |
| Another Naughty Coon | General |
| Another Nightmare Coming | General |
| Active Nibble Cancellation | General |
| Automotive News China | General |
| All New Corolla Club | General |
| Acura Networking Club | General |
| Action Nationale des Chauffeurs | General |
| Automotive News Canada | General |
| Accumulation Nepotism and Corruption | Governmental |
| Armee Nationale Congolaise | Governmental |
| African National Party [South Africa] | Governmental |
| Anchorage International Airport | Governmental |
| All Nations Club | Governmental |
| All National Cargoes | Governmental |
| African National Commission | Governmental |
| ANNECHAKANAHALI | Indian Railway Station |
| Asamblea Nacional Constituyente | International |
| Asociación Nacional Campesina Pro-Tierra | International |
| Absolute Neutrophil Count | Medical |
| Annoying New Character | Messaging |
| Air Force, Navy, Civil | Military and Defence |
| Army Nurse Corps | Military and Defence |
| Augmented Network Center | Networking |
| Automatic Network Control | Networking |
| Atlantic and North Carolina Railroad | Regional |
| African National Corruption | Regional |
| Alaska Native Corporation | Regional |
| Anchorage, Alaska USA | Regional |
| African New Consensus | Regional |
| Arlington National Cemetery | Space Science |
| Access Network Controller | Telecommunication |
