| Abbreviation | Definition |
|---|---|
| SIE | Systems and Industrial Engineering |
| SIFT | Summer Institute For Future Teachers |
| SIG | special interest group |
| SIG | Stanford In Government |
| SIG | Student Interest Group |
| SIG | Summer Institute For Geeks |
| SIG | Surgery Interest Group |
| SII | Science Information Infrastructure |
| SII | Science Integration Institute |
| SII | Stellar International Institute |
| SII | Study of Instructional Improvement |
| SIIE | Summer Institute on International Education |
| SIL | Self Instruction Lab |
| SIL | Summer Institute Of Linguistics |
| SILAS | Student Information Lookup Access System |
| SILC | Shrewsbury International Language Centre |
| SILFI | SanItasi Lingkungan dan FItoteknologi |
| SIM | School of Information Management |
| SIM | Singapore Institute of Management |
| SIM | Students In Mission |