JSSI
| 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 |