| Acronym | Definition |
|---|
| JSU➣Jackson State University (Jackson, MS, USA) |
| JSU➣Jacksonville State University |
| JSU➣Jewish Student Union |
| JSU➣All Japan Seamen's Union |
| JSU➣Juventudes Socialistas Unificadas (Spanish: Unified Socialist Youth) |
| JSU➣Joint Strategy Unit (UK) |
| JSU➣Japanese Society of Undergraduates (Massachusetts Institute of Technology; Boston, MA) |
| JSU➣Joint Support Unit (UK Ministry of Defence) |
| JSU➣Justice Statistics Unit (UK) |