| Abbreviation | Definition |
|---|---|
| AICP | Association of Islamic Charitable Projects |
| AICS | Academy of Integrated Christian Studies |
| AID | Angel In Disguise |
| AIM | Abide In Me |
| AIM | Action International Ministries |
| AIM | Ambassadors In Missions |
| AIM | American Impact Missionaries |
| AIM | Athletes International Ministry |
| AIMC | Associazione Italiana Maestri Cattolici (Italian Association of Catholic Teachers) |
| AIML | All India Muslim League |
| AIMPLB | All India Muslim Personal Law Board |
| AIRR | American Indian Religious Rights |
| AITBA | All India Tamang Buddhist Association |
| AJC | Apostolic Johannite Church |
| AJCM | Anglo Japanese Christian Ministries |
| AJEC | Ancient Judaism and Early Christianity |
| AJJDC | American Jewish Joint Distribution Committee |
| AJR | Academy for Jewish Religion |
| AJRCA | Academy for Jewish Religion, California |
| AJY | Adventist Junior Youth |