| Abbreviation | Definition |
|---|---|
| ALLC | Arlington Lagrange Lacrosse Club |
| ALNC | A Link NextDoor Club |
| ALRC | Aberaeron Longboat Rowing Club |
| ALRC | Alta Loma Riding Club |
| ALRC | Association of Land Rover Clubs |
| ALSC | Angle Lake Shore Club |
| ALTC | Auburn Lazer Tag Club |
| AMC | Allstate Motor Club |
| AMC | ANA Mileage Club |
| AMC | Anime And Manga Club |
| AMC | Appalachian Mountain Club |
| AMC | Arizona Mountaineering Club |
| AMCA | Alaskan Malamute Club of America |
| AMCA | Antique Motorcycle Club of America |
| AMCE | Aero Model Club Enghien |
| AMCG | Alaskan Malamute Club Gerasdorf |
| AMCL | A??ro Mod??le Club de Limay |
| AMCL | Aéro Modèle Club de Limay |
| AMCM | Antique Motorcycle Club of Manitoba |
| AMCRT | Arizona Mountaineering Club Rescue Team |