| Abbreviation | Definition |
|---|---|
| JCHA | Journal of the Canadian Historical Alliance |
| JCIA | Judeo Christian Israel Alliance |
| JDAA | Jesmond Dementia Action Alliance |
| JDAA | Judaism and Democracy Action Alliance |
| JDCA | Juvenile Diabetes Care Alliance |
| JDCA | Juvenile Diabetes Cure Alliance |
| JEA | Jagged Edge Alliance |
| JLA | James Lind Alliance |
| JMA | Jewish Motorcyclists Alliance |
| JRA | James Renwick Alliance |
| JRCA | Jewish Russian Cultural Alliance |
| JSA | Jewelers Security Alliance |
| JTA | Job Training Alliance |
| JTAA | Jewish Tigers Alumni Alliance |
| JTDA | Jamaica Technology and Digital Alliance |
| JTDA | Jamaica Technology Digital Alliance |
| JVA | Juba Valley Alliance |
| JVA | Jubba Valley Alliance |
| KACL | Kingsport Alliance for Continued Learning |
| KACL | Kingsport Alliance for Continuing Learning |