SISG
| Acronym | Definition |
|---|---|
| SISG | Site Investigation Steering Group (UK) |
| SISG | Security and Intelligence Studies Group (UK Political Studies Association) |
| SISG | Summer Institute in Statistical Genetics (University of Washington; Seattle, WA) |
| SISG | SIDAC/IGBT Spark Gap |
| SISG | Superconducting Image Surface Gradiometry |
| SISG | Scientific Instruments and Sensors on the Grid (Workshop) |
| SISG | School Improvement Strategy Group (UK) |