| Abbreviation | Definition |
|---|---|
| ABC | Aruba, Bonaire, And Curacao |
| ACA | America, Canada, and Australia |
| ACA | Anti-Corruption Agency |
| AD | Andorra, Principality of |
| ADE | Abu Dhabi Emirate |
| AE | Allied Europe |
| AE | United Arab Emirates |
| AEG | Airsoft Electric Guns |
| AF | Afghanistan |
| AFG | Afghanistan |
| AG | Antigua and Barbuda |
| AG | Arabian Gulf |
| AI | Anguilla |
| AISG | American Iraqi Solutions Group |
| AL | Albania |
| ALDC | Africa and Least Developed Countries |
| AM | Armenia |
| AN | Netherlands Antilles |
| ANSES | Administración Nacional de la Seguridad Social |
| AO | Angola |