IGSM
| Acronym | Definition |
|---|---|
| IGSM | Interim Ground Station Module (Joint Surveillance Target Attack Radar System; US DoD) |
| IGSM | International Geodetic Student Meeting |
| IGSM | I'm Going Slightly Mad (Queen song) |
| IGSM | Indian General Service Medal |
| IGSM | Intermediate General Support Maintenance |