| Abbreviation | Definition |
|---|---|
| AFC | A Fans Club |
| AFCD | Association Francophone des Clubs de Danse |
| AFDC | Atlanta Flying Disc Club |
| AFFC | Allegheny Force Football Club |
| AFFC | Atletico Flames Futbol Club |
| AFHC | Aldershot and Farnham Hockey Club |
| AFHC | Austin Facial Hair Club |
| AFSC | Ahwatukee Foothills Soccer Club |
| AFTC | American Fox Terrier Club |
| AGBC | American German Business Club |
| AGC | Associated Gun Clubs |
| AGCB | Associated Gun Clubs of Baltimore |
| AGCB | Associated Gun Clubs of Baltimore's |
| AGLC | Abington Girls Lacrosse Club |
| AGLOW | Association of Great Lakes Outdoor Writers |
| AHC | Amsterdamsche Honkbal Club |
| AHCB | Austin Healey Club Belgium |
| AHCM | Austin Healey Club of Manitoba |
| AHGC | Al Hamra Golf Club |
| AHGC | Anaheim Hills Golf Club |