| Abbreviation | Definition |
|---|---|
| JCAHO | Joint Commission on Accreditation of Healthcare Organizations (now TJC) |
| JCAHPO | Joint Commission on Allied Health Personnel in Ophthalmology |
| JCAHPOERF | Joint Commission on Allied Health Personnel in Ophthalmology Education and Research Foundation |
| JCBA | Jewish Community Board of Akron |
| JCC | Jewish Community Council |
| JCC-AA | Jewish Community Center of Ann Arbor |
| JCCMD | Jewish Community Center of Metropolitan Detroit |
| JCC-T | Jewish Community Center of Toledo |
| JCI | Junior Chamber International |
| JCIP | Johannesburg Cochlear Implant Programme |
| JCIP | Junior Chamber International Philippines |
| JCISA | Joint Cholera Initiative for Southern Africa |
| JCNP | Johnson County Nutrition Program |
| JCPA | Jennings County Preservation Association |
| JCPES | Joint Center for Political and Economic Studies |
| JCPI | Japan Cotton Promotion Institute |
| JCRI | Joshua Creek Ratepayers, Inc. |
| JCRS | Japanese Coral Reef Society |
| JCRS | Jewish Consumptive Relief Society |
| JCRS | Jewish Consumptives Relief Society |