| Abbreviation | Definition |
|---|---|
| JCPTGP | Joint Committee on Postgraduate Training for General Practice |
| JCRP | Job Creation and Retention Program |
| JCRS | Joint Contributory Retirement System |
| JCS | Job Cost Summary |
| JCS | Job Creation Scheme |
| JCSE | Just Change Stuff Everyday |
| JCSI | Job Cost Summary Inquiry |
| JCT | Jaded Contracts Tendency |
| JD | Job Description |
| JDC | Joint Distribution Committee |
| JDM | Joint Design Manufacturing |
| JDQ | Job Description Questionnaire |
| JDQ | Job Documentation Questionnaire |
| JDR | Japanese Deposit Receipt |
| JEDI | Joint Endeavor of Delphi Innovators |
| JEPX | Japan Electric Power Exchange |
| JET | Johannesburg Equities Trading |
| JET | Junior Engineer Training |
| JFC | John Foreigner China |
| JFDI | Joyful Frog Digital Incubator |