| Acronym | Definition |
|---|
| JSIS➣Jackson School of International Studies (University of Washington) |
| JSIS➣Japanese Society of Insuranse Science (insurance) |
| JSIS➣John Stanford International School (Seattle, WA) |
| JSIS➣Joint Synchronized Information Subcommittee |
| JSIS➣Justice Sector Information Strategy (Ministry of Justice; New Zealand) |
| JSIS➣Japan Society of Island Studies (est. 1997) |