| ACNS | Academic Computing and Networking Services 
| Others |
| ACNS | Academic Computing Networking Services
| Others |
| ACNS | Adult Clinical Nurse Specialists
| Others |
| ACNS | Adult Clinical Nurse Specialst
| Others |
| ACNS | AIDS Coalition of Nova Scotia
| Others |
| ACNS | American Clinical Neurophysiology Society
| Others |
| ACNS | American Conference on Neutron Scattering
| Others |
| ACNS | Anglican Communion News Service
| Others |
| ACNS | Application and Content Networking System
| Others |
| ACNS | Applied Cryptography and Network Security
| Others |
| ACNS | Aptech Certified Network Specialist
| Others |
| ACNS | Asian Congress of Neurological Surgeons
| Others |
| ACNS | Assistant Chief of Naval Staff
| Others |
| ACNS | Assistant Chief of the Naval Staff
| Others |
| ACNS | Auburndale Community Nursery School
| Others |
| ACNS | Auditory Cognitive Neuroscience Society
| Others |
| ACNS | Australasian Cognitive Neuroscience Society
| Others |
| ACNS | Automated Celestial Navigation System
| Others |
| ACNS | Automated Cloud Notification System
| Others |
| ACNS | Automated Copyright Notice System
| Others |
| ACNS | Automatic Crash Notification System
| Others |