IGIF
| Acronym | Definition |
|---|---|
| IGIF | Interferon-Gamma-Inducing Factor |
| IGIF | Instituto de Gestão Informática e Financeira da Saúde |
| IGIF | International Geographic Information Foundation (Bethesda, MD; now American Society of Photogrammetry Foundation) |
| IGIF | Isolated Gait Ignition Failure (neurology) |