IAGA
| Acronym | Definition |
|---|---|
| IAGA | International Association of Geomagnetism and Aeronomy |
| IAGA | International Association of Golf Administrators |
| IAGA | International Association of Gaming Advisors (est. 1980; Las Vegas, NV) |
| IAGA | Iowa Amputee Golf Association |
| IAGA | Israeli Association of General Aviation (est. 1976) |
| IAGA | Integrated Adaptive Genetic Algorithm (computer science) |