| อักษรย่อ | คำเต็ม | รายละเอียด |
| Ad. | Advertisements | |
| Apr. | April | |
| AMMST | ASEAN Ministerial Meeting on Science and Technology | |
| AATCC | American Association Of Textile Chemists And Colorists | |
| ASEM | Asia Europe Meeting | |
| AMEM | ASEAN Ministers on Energy Meeting | |
| AGE | Acute Gastroenteritis | |
| AFTA Council | ASEAN Free Trade Area Council | |
| ANC | Ante natal care | |
| ADMI | Advanced Data Mining International | |
