| Acronym | Definition |
|---|
| JSSI➣JAA (Joint Aviation Authorities) Safety Strategy Initiative |
| JSSI➣Jet Support Services, Inc. (Chicago, IL) |
| JSSI➣Japan Society of Seismic Isolation (Tokyo, Japan) |
| JSSI➣Journal of Sport and Social Issues (Sage Periodicals Press; Thousand Oaks, CA) |
| JSSI➣JAA Safety Strategy Initiative |
| JSSI➣Journée de la Sécurité des Systèmes d'Information |