| Acronym | Definition |
|---|
| CSIG➣Centro Studi Informatica Giuridica (Italian: Center for Legal Information Technology Study) |
| CSIG➣Cyberinfrastructure Summer Institute for Geoscientists (US NSF) |
| CSIG➣Corporate Services and Infrastructure Group (Australia defence) |
| CSIG➣China Society of Image and Graphics |
| CSIG➣Constant Speed Induction Generator |
| CSIG➣Computer Special Interest Group (various locations) |
| CSIG➣Clinical Surgery in General (examination) |
| CSIG➣Cardiac Services Improvement Group (pilot program) |