| ACU | Asian Clearing Union (skr.) |
|---|---|
| ANEC | Americal Nuclear Energy Council (skr.) |
| ANS | American Nuclear Society (skr.) |
| ASOL | Americal Schools of Oriental Research (skr.) |
| ATLAS | Automatically Tuned Linear Algebra Software, softvér pre lineárnu algebru (angl.skr.) |
| AVSE | AltaVista Search Engine, vyhľadávací algoritmus (angl.skr.) |
| AY | Academic Year (skr.) |
| CLT | Canadian Learning Television /skr./ |
| EA | Earl Marshal (skr.) |
| ECO | Environment and Conservation Organisations of Aotearoa New Zealand (skr.) |