| ABE | Automated Buyer Environment |
|---|---|
| ADE | Analog Design Environment |
| ADOKO | vrch v Mjanmarsku |
| AEC | Army Environmental Center |
| AED | Attraction and Entertainment Design |
| AEH | Archives of Environmental Health |
| AEP | Application Environment Profile |
| AES | Atmospheric Environment Service |
| AGÁT | vysoký listnatý strom s výrazne voňavými kvetmi a ostrými tŕňmi, patriaci do čeľade bôbovitých |
| ACHAIA | planétka s priemerom 30 km, ktorú objavil K. Reinmuth 2.9.1929 |