| Acronym | Definition |
|---|
| IGH | ImmunoGlobulin Heavy (chain) |
| IGH | Inver Grove Heights (Minnesota) |
| IGH | I Got Horny |
| IGH | Ichikawa General Hospital (Chiba, Japan) |
| IGH | Interim Government of Haiti |
| IGH | Institut de Génétique Humaine |
| IGH | Institute of Gender and Health (Canada) |
| IGH | Institute for Global Health (San Francisco, CA) |
| IGH | Immeuble de Grande Hauteur |
| IGH | Irish Ghost Hunters (Ireland) |
| IGH | In God's Hands (clothing company) |
| IGH | Ichigo Group Holdings Co., Ltd. (Japan) |
| IGH | Indian General Hospital |
| IGH | Internal Gear Hub (bicycles) |
| IGH | Ispat General Hospital (India) |
| IGH | Impaired Glucose Homeostasis (endocrinology) |
| IGH | Institut Gradevinarstva Hrvatske (Civil Engineering Institute of Croatia) |
| IGH | Inspector General Honorary |
| IGH | Immunoreactive Growth Hormone (also seen as IRGH) |
| IGH | Imperial General Headquarters (Japan) |
| IGH | Irwin Group of Hospitals (Jamnagar) |