| Acronym | Definition |
|---|
| ISAG➣Instituto Superior de Administração e Gestão (Portuguese: Institute of Administration and Management) |
| ISAG➣International Society for Animal Genetics |
| ISAG➣International Symposium on Andean Geodynamics |
| ISAG➣Immigrant Support Action Group |
| ISAG➣I Saw a Ghost (band) |
| ISAG➣Independent Strategic Assessment Group (Missile Defense Agency) |
| ISAG➣Information Systems Activity Group |
| ISAG➣Independent Space Advisory Group |
| ISAG➣Inter-Service Antenna Group |
| ISAG➣It Is All Good |
| ISAG➣Iranian Students Association at University of Guelph (Canada) |
| ISAG➣I Suck at Geocaching (Facebook group) |