| AACO | Asian Americans for Community Outreach |
|---|---|
| AAS | Astronomischer Arbeitskreis Salzkammergut |
| AB | Asymmetric Balance |
| ABBOTT | americká operná speváčka - sopranistka (Emma, 1850-1891) |
| ABC | Australian Broadcasting Commission |
| ABK | Abkommen (skr.) |
| ABS | Annual Beneficiary Summary |
| ABTS | nemecký maliar (Tomma, *1967) |
| AC | anterior commissure (skr.), komisúra v mozgu (lat.skr.) |
| ACM | Arab Common Market (skr.) |