| Acronym | Definition |
|---|
| JSG➣Joint Study Group (India and Pakistan) |
| JSG➣Johnson Service Group (Chicago, IL) |
| JSG➣Jefferson Smurfit Group (Dublin, Ireland) |
| JSG➣Jean-Sebastien Giguere (hockey player) |
| JSG➣Journal of Symplectic Geometry |
| JSG➣Japan Society of Geoinformatics (Japan) |
| JSG➣Jain Social Group |
| JSG➣Japanese School of Guam |
| JSG➣Junior Symphony Guild, Inc. (Denver, CO) |