| Acronym | Definition |
|---|
| JCSS | Jaffee Center for Strategic Studies |
| JCSS | Jesus Christ Superstar (musical/movie) |
| JCSS | Japanese Cognitive Science Society |
| JCSS | Journal of Cyberspace Studies (peer-review; UNESCO) |
| JCSS | Journal of Computer and Systems Sciences |
| JCSS | Joint Communications Support Squadron |
| JCSS | Jefferson County School System (various locations) |
| JCSS | Joint Committee of Structural Safety (Switzerland) |
