| Abbreviation | Definition |
|---|---|
| AEPM | Association of European Printing Museums |
| AER | Assembly of European Regions |
| AERC | Association of European Rarities Committees |
| AERE | Atrium European Real Estate |
| AERM | Alliance of European Republican Movements |
| AESOP | Association of European Schools of Planning |
| AETF | All European Taekwon-Do Federation |
| AEU | Advanced European Union |
| AFEE | Age friendly environments in Europe |
| AFME | Association for Financial Markets in Europe |
| AFSE | Allied Forces in Southern Europe |
| AGEE | Advans Group Eastern Europe |
| AGILE | Association of Geographic Information Laboratories in Europe |
| AHCE | Association Humanitaire Conseil Europe |
| AIDE | Alliance of Independent Democrats in Europe |
| AIGE | Associazione Italiana Giuristi Europei |
| AJEC | Anthropological Journal of European Cultures |
| AKSE | Association for Korean Studies in Europe (Netherlands) |
| ALDE | Alliance of Liberals and Democrats for Europe |
| ALE | Agile Lean Europe |