| AAB | Army Air Base |
|---|---|
| AAR | orol, po nemecky (bás.) |
| ABA | Agent Based Architecture |
| ABA | Agent-Based Application |
| ABA | American Basketball Association |
| ABB | abbassamento (hud.skr.) |
| ABB | Activity Based Benefits |
| ABC | Advanced Base Component |
| ABC | Agent Based Computing |
| ABE | Adult Basic Education |