| Abbreviation | Definition |
|---|---|
| JIH | Jama'at -e- Islami Hind |
| JINSA | Jewish Institute For National Security Affairs |
| JIST | Jewish Information Service of Greater Toronto |
| JJCM | Jimmy Johns Child Molestation |
| JJFRP | Japanese Fund for Reducing Poverty |
| JJM | John Judkyn Memorial |
| JKAI | Jizzle and Kim Alphabetisation Initiative |
| JKF | Jiddu Krishnamurthy Foundation |
| JMCA | Joint Military Cadets of America |
| JMEF | James Madison Education Fund |
| JMEFI | James Madison Education Fund, Inc. |
| JMHS | John Muir Heritage Society |
| JMM | James Madison Memorial |
| JMMF | James Madison Memorial Fellowship |
| JMMFF | James Madison Memorial Fellowship Foundation |
| JMPF | John M. Perkins Foundation |
| JMPF/SPC | John M. Perkins Foundation, Inc./Spencer Perkins Center |
| JNF | Jewish National Fund |
| JONAH | Joining Our Neighbors Advancing Hope |
| JPF | Jewish Peace Fellowship |