| Abbreviation | Definition |
|---|---|
| JC | Jean Claude |
| JC | Jenna Caitlin |
| JC | Jennie Chan |
| JC | Jessica's Cat |
| JC | Jet Car |
| JC | John Cage |
| JC | John Calvin |
| JC | John Charles |
| JC | John Christopher |
| JC | John Clone |
| JC | Joseph Christian |
| JC | Joseph Christopher |
| JC | Judith Carol |
| JC | Julio Caesar |
| JC | Just a Cat |
| JC | Justin Christopher |
| JCL | Juan Carlos Leon |
| JCSC | Johnson Controls Stadium Club |
| JD | Jack Daniel |
| JD | Jack Dennis |