| AAI | Autodesk Approved Instructor |
|---|---|
| AAP | Alternate Access Provider |
| AAS | Approved As Stands |
| ABP | Address Book Provider |
| ABR | acidobazická rovnováha (skr.) |
| ADI | Approved Driving Instructors |
| ADI | ostrov v Indonézii, indonézsky ostrov |
| ADI | staršia značka monitorov |
| ADŽI | japonský ostrov |
| AEN | Asociácia európskych novinárov (skr.) |