| Abbreviation | Definition |
|---|---|
| ABHM | American Baptist Homes of the Midwest |
| ABHS | Arkansas Baptist High School |
| ABIC | A Believer In Christ |
| ABIM | American Baptist International Ministries |
| ABPS | American Baptist Personnel Services |
| ABPS | American Baptist Publication Society |
| ABRC | Amitabha Buddhist Retreat Centre |
| ABRC | Arizona Baptist Retirement Centers |
| ABRF | Australian Baptist Retirement Fund |
| ABS | Adult Bible Study |
| ABS | Area Bible Studies |
| ABS | Area Bible Study |
| ABSHP | ArchBishop |
| ABSS | Akhil Bhartiya Santmat Satsang |
| ABSW | American Baptist Seminary of the West |
| ABU | Arlington Baptist University |
| ABW | American Baptist Women's |
| ABY | American Baptist Youth |
| ABYF | Aloha Baptist Youth Fellowship |
| AC | Abhay Charanaravinda, Swami |