| Abbreviation | Definition |
|---|---|
| AMP | Audio MPEG Player |
| AMP | Automated Modular Platform |
| AMR | Audio Modem Riser |
| AMS | Access Method Services |
| AMS | Application Management Service |
| AMS | Application Management Services |
| AMSAC | Applications, Middleware, & Services Advisory Council |
| AMT | Active Management Technology |
| AN | Architecture Neutral |
| ANC | African National Congress |
| AND | logical AND (programming, IC design) |
| ANF | A New Framework |
| ANGMA | Abbott Northwestern General Medicine Associates |
| ANR | Automatic Network Routing |
| ANS | Advanced Network Services |
| ANS | Agent Name Server |
| AO | Autonomous Object |
| AOCE | Apple Open Collaboration Environment |
| AOGC | Associated Oklahoma General Contractors |
| AOGC | Association Of General Contractors |