| ABB | Activity Based Benefits |
|---|---|
| ABR | Applied Benefits Research |
| ABS | Aachener Bergmanns-Siedlungsgesellschaft |
| ABS | Alternative Bank Schweiz, švajčiarska banka so sídlom v Oltene |
| ABS | Annual Beneficiary Summary |
| ABS | mesto v Jemene |
| AEA | Atomic Energy Authority (skr.) |
| AEC | Atomic Energy Commision (skr.) |
| AEC | atomic Energy Corporation (skr.) |
| AEM | Application Explorer Mission, tri americké družice určené na diaľkový prieskum Zeme |