| Abbreviation | Definition |
|---|---|
| AOBC | Agincourt Open Badminton Club |
| AOCB | Anfi Owners Club Benelux |
| AOCC | Arizona Outlaws Contest Club |
| AOGC | Arlington Organic Garden Club |
| AOMC | Antique Outboard Motor Club |
| AOMC | Apathy Original Motorcycle Club |
| AOMC | Association of Motoring Clubs |
| AOPC | Australian Offshore Powerboat Club |
| AORC | Anglet Olympique Rugby Club |
| AOSC | Abbotsford Olympians Swim Club |
| AOTC | Amarillo Obedience Training Club |
| AOVC | Association of Old Vehicle Clubs |
| AOWC | Association of Oil Wives Clubs |
| APAC | Aiken Pacer Aquatic Club |
| APAC | Asian Pacific American Club |
| APC | American Petz Club |
| APCSC | Annapolis Parents Club of Southern California |
| APECS | Asia Private Equity Club SMU |
| APFC | Asbury Park Football Club |
| APMBC | Avionnette Parcay Meslay Basket Club |