| AAB | Army Air Base |
|---|---|
| AACO | Armenian American Christian Outreach |
| AAE | Army Aviation Element |
| AAF | Army Air Forces |
| AAT | Army Assault Team |
| ABE | Army Background Experiment |
| ABEGHJAN | arménsky lingvista, literárny vedec a folklorista (Manuk, 1865-1944) |
| ABL | Army Battle Laboratory |
| ABN | Alarm Broadband Network |
| ABOVJAN | arménsky spisovateľ (Chačatur, 1809-1848) |