| AAC | rakúsky automobilový klub |
|---|---|
| AAD | Atomic Absorption Detector |
| AAD | Automatic Activation Device |
| AAE | automatic answering equipment (skr.) |
| AAF | Audit Automation Facilities |
| AAS | Allround Automotive Solutions |
| AAS | Atomic Absorption Spectrophotometry |
| AAS | Automobile Association of Singapore |
| ABE | Automated Buyer Environment |
| ABM | Automatic Building Machine |