| Abbreviation | Definition |
|---|---|
| ITLF | Indigenous Tribal Leaders' Forum |
| ITLN | Illinois Teacher Leadership Network |
| IYLC | Indonesia Youth Leadership Conference |
| IYLC | International Youth Leadership Conference |
| IYLC | International Youth Leadership Council |
| IYLN | International Youth Leadership Network |
| JELF | Junior Enlisted Leadership Forum |
| JGS | Just Getting Started |
| JHA | Joint Humanitarian Assessment solutions |
| JHASOLUTIONS | Joint Humanitarian Assessment solutions |
| JLAB | Junior Leadership Academic Bowl |
| JLB | Junior Leadership Board |
| JOLDTS | Junior Officer Leadership Development and Training Seminar (Reserve Officer Association) |
| JOLT | Jewish Outreach Leadership Training |
| JRL | Joint Resistance Leadership |
| JRLA | Jalen Rose Leadership Academy |
| JRLC | James River Leadership College (Ozark, MO) |
| JSL | Journal of School Leadership |
| KALI | Korean American Leadership Initiative |
| KCML | Knox Centre for Ministry and Leadership |