JSG
| 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) |