| AAB | Army Air Base |
|---|---|
| AAO | Amino Acid Oxidase (skr.) |
| AB | Air Base |
| ABA | Agent Based Architecture |
| ABA | Agent-Based Application |
| ABB | Activity Based Benefits |
| ABBA | lyrický žáner, lyrická báseň s námetom ranného lúčenia milencov |
| ABC | Advanced Base Component |
| ABC | Agent Based Computing |
| ABL | Airborne Laser (skr.) |