| Abbreviation | Definition |
|---|---|
| AJE | Association Jeunesse et |
| AJE | Association Junior Etudes |
| AJGA | American Junior Golf Association |
| AJGA | Atlanta Junior Golf Association |
| AJHA | American Journalism Historians Association |
| AJKA | All Japan Kickboxing Association |
| AJKA | American JKA Karate Association |
| AJLD | Association des Jeunes Leaders de Demain |
| AJMT | Association Jeunes Marketeurs Tunisiens |
| AJO | Association of Jensen Owners |
| AJOP | Association for Jewish Outreach Programs |
| AJS | Association for Jewish Studies |
| AJSMS | Association des joueurs de soccer mineur de Sherbrooke |
| AJSS | Association des Jeunes pour la Sensibilisation et la Solidarité |
| AJUP | Association of Jesuit University Presses |
| AJV | Association des Jeunes Villersois |
| AJVC | Association jeunesse verte du Cameroun |
| AKAM | Association for Key Account Management |
| AKAP | Antar Kota Antar Provinsi |
| AKDA | Archdiocese of Kingston Diocesan Association |