| ANS | 1-Anilino-8-Naftalen-Sulfonat 
| Others |
| ANs | Access Nodes
| Others |
| ANS | Active Noise System
| Others |
| ANS | Adjusted Net Savings
| Others |
| ANS | Adrenergic Nervous System
| Others |
| ANS | Advanced Network and Services
| Others |
| ANS | Advanced Network Services
| Others |
| ANS | Advanced Networking Services
| Others |
| ANS | Advanced Networking Software
| Others |
| ANS | Advances in Nursing Science
| Others |
| ANS | Agent Name Server
| Others |
| ANS | Alexander Nikolayevich Scriabin
| Others |
| ANS | Algemeen Nijmeegs Studentenblad
| Others |
| ANS | Allied Network Solutions
| Others |
| ANS | Always Needs Service
| Others |
| ANS | Ambient Noise Sensor
| Others |
| ANS | American National Standard
| Industry, Legal, Policy, Standards |
| ANS | American Neuromodulation Society
| Others |
| ANS | American Neurotology Society
| Others |
| ANS | American Nicaraguan School
| Others |
| ANS | American Nuclear Society
| Others |
| ANS | American Numismatic Society
| Others |
| ANS | Amman National School
| Others |
| ANS | Andahuaylas Airport
| Others |
| ANS | Andahuaylas, Peru
| Others |
| ANS | Animation (graphics or text)
| Others |
| ANS | Anna Nicole Smith
| Others |
| Ans | Answer
| Others |
| ANS | Answer Message
| Others |
| ANS | Anti Noise System
| Others |
| ANS | Apple Network Server
| Others |
| ANS | Application Networking Services
| Others |
| ANS | Applied NanoStructured Solutions
| Others |
| ANS | Aquatic Nuisance Species
| Others |
| AnS | Arise and Shine
| Others |
| ANS | Arizona Nutritional Supplements
| Others |
| ANS | Armored Nanoroid Slave
| Others |
| ANS | Army Network Station
| Others |
| ANS | ASCII text with ANSI character set
| Others |
| ANS | ASSIST News Service
| Others |
| ANS | Assistance Non Stop
| Others |
| ANS | Astronomical Netherlands Satellite
| Others |
| ANS | Ataxia Neuropathy Spectrum
| Others |
| ANS | Audubon Naturalist Society
| Others |
| ANS | Australian Neuroscience Society
| Others |
| ANS | Authoritative Name Server
| Others |
| ANS | Automatic Network Shutdown
| Others |
| ANS | Autonomic Nervous System
| Others |
| ANS | Autonomous Navigation System
| Others |
| ANS | Azerbaijani News Service
| Others |
| ANS | NAS Transition Implementation Service
| Others |
| ANS | Northeastern Section
| Others |