| Abbreviation | Definition |
|---|---|
| ANCF | All Nations Christian Fellowship |
| ANCJ | Aramaic New Covenant of Jesus |
| ANCL | Ante Nicene Christian Library |
| AOAB | Association Of All Buddhists |
| AOC | American Orthodox Church |
| AOCA | Antiochian Orthodox Christian Archdiocese |
| AOD | Archdiocese Of Detroit |
| AOG | Army Of God |
| AOK | Acts Of Kindness |
| AOK | Age Of Kings |
| AOL | Action Oriented Living |
| AOR | Ancient Order of the Rosicrucians |
| AP | Aggregate Principles |
| APAC | All Praise And Credit |
| APB | All Prayer Bulletin |
| APC | A Perfect Circle |
| APC | Austin Presbyterian Cursillo |
| APCE | Association of Partners in Christian Education |
| APCE | Association of Presbyteran Church Educators |
| APCE | Association of Presbyterian Christian Educators |