SIAG
| Acronym | Definition |
|---|---|
| SIAG | Service Industry Advisory Group (Australia) |
| SIAG | Strategic Investment Advisory Group (J.P. Morgan) |
| SIAG | Social Inclusion Advisory Group (UK) |
| SIAG | Survey Instrument, Azimuth Gyroscope |
| SIAG | SOCITM (Society of Information Technology Managers) Information Age Government Group (UK) |