| Acronym | Definition |
|---|
| JCLL➣Jackson County Law Library (est. 1871; Kansas City, MO) |
| JCLL➣Joint Center for Lessons Learned |
| JCLL➣Jacobs Center for Lifelong Learning and Institutional Development |
| JCLL➣Journal of Celtic Language Learning |
| JCLL➣Jewish Children's Learning Lab (New York, NY) |