| Abbreviation | Definition |
|---|---|
| BWSC | Blue Water Sailing Club |
| BWSC | Blue Water Soccer Club |
| BYC | Baker Youth Club |
| BYC | Breakfast Yoga Club |
| BYFC | Barming Youth Football Club |
| BYFC | Brett Yang Fan Club. (Brett Yang from twosetviolin.com.) |
| CA | Club America |
| CAAC | Charlotte Amateur Astronomers Club |
| CABC | Cardiff Athletic Bowls Club |
| CABC | Carroll Athletic Booster Club |
| CABC | Castleberry Athletic Booster Club |
| CABC | Cavaliers Athletic Booster Club |
| CAC | Cambridge Athletic Club |
| CAC | Catholic Alumni Club |
| CAC | Chicago Athletic Club |
| CAC | Chicago Athletic Clubs |
| CAC | Creative Arts Club |
| CAC | Cultural Activities Club |
| CACC | Chilterns Association of Camera Clubs |
| CACCA | Chicago Area Camera Clubs Association |