| Acronym | Definition |
|---|
| SCIS | Symposium on Cryptography and Information Security |
| SCIS | Slutzker Center for International Services (Syracuse University; Syracuse, NY) |
| SCIS | Southern Center for International Studies |
| SCIS | Shanghai Community International School (China) |
| SCIS | School of Computing and Information Systems |
| SCIS | School of Computing and Information Sciences (Florida International University) |
| SCIS | Survivable Communications Integration System |
| SCIS | Sports Council for International Schools |
| SCIS | Support Criminal Investigation System (UK) |