| อักษรย่อ | คำเต็ม | รายละเอียด |
| ANC | Ante natal care | |
| ADPC | Asian Development Preparedness Center | |
| ASEAN | Asian-Pacific Economic Cooperation | |
| AECC | ASEAN Economic Community Council | |
| Ave. | Avenue | |
| ACCSQ | ASEAN Consultative Committee on Standards and Quality | |
| A.C | account | |
| ADF | ASEAN Development Fund | |
| AF | Atrial Fibrillation | |
| AOT | Airports of Thailand Public Company Limited | |
