| Abbreviation | Definition |
|---|---|
| ASFC | All Stars Football Club |
| ASJCC | Aberfeldie St Johns Cricket Club |
| ASKC | Association of Scottish Kart Clubs |
| ASLC | American Sign Language Club |
| ASMC | American Steel Motorcycle Club |
| ASOC | Avenger and Sunbeam Owners Club |
| ASPC | Alacati Surf Paradise Club |
| ASPC | American Shetland Pony Club |
| ASRC | Almaden Swim and Racquet club |
| ASSC | After School Satan Clubs |
| ASSC | Alamo Sport Shooters' Club |
| ASSC | Alamo Sport Shooting Club |
| ASSC | Amarillo Select Soccer Club |
| ASSC | Anti Social Social Club |
| ASSC | Atlanta Sport and Social Club |
| ASTC | American Shih Tzu Club |
| ASYC | Aberdeen and Stonehaven Yacht Club |
| ATAC | area Tallahassee aquatic club |
| ATBC | Australian Thoroughbred Breeders Club |
| ATC | Asian Triple Club |