| Abbreviation | Definition |
|---|---|
| JADC | Jersey Amateur Dramatic Club |
| JADC | Jersey Amateur Dramatics Club |
| JAGC | John E Anderson Golf Club |
| JARC | Jackson Amateur Radio Club |
| JARC | Jefferson Amateur Radio Club |
| JARC | Juneau Amateur Radio Club |
| JASC | Jebel Ali Sailing Club |
| JBAC | Jacuzzi Boys Athletic Club |
| JBAC | Junius Boling Athletic Club |
| JBC | Just Babes Club |
| JBCB | Judo Budo Club Bellinzona |
| JBCL | Jeu De Boules Club Lingewaard |
| JBSC | James Bede Soccer Club |
| JC | Jockey Club |
| JC | VIT University Juvenile Care |
| JCAC | Jefferson City Art Club |
| JCAC | Johnston County Aeromodeling Club |
| JCAC | Jumping Chollas Agility Club |
| JCBC | Jesus College Boat Club |
| JCBS | Judo Club du Bassin Saumurois |