| Acronym | Definition |
|---|
| CHG | Change |
| CHG | Changed |
| CHG | Charge |
| CHG | Compressed Hydrogen Gas (fuel type) |
| CHG | Chlorhexidine Gluconate (aka chloraprep) |
| CHG | Centre Hospitalier de Granby (French: Granby Hospital Center; Granby, Canada) |
| CHG | Confederación Hidrográfica del Guadiana (Spanish: Guadiana Hydrographic Confederation; Guadiana, Spain) |
| CHG | Coyle Hospitality Group (est. 1996; New York, NY) |
| CHG | Centre Hospitalier Général (French: general hospital) |
| CHG | Constellation Hotel Group (Australia) |
| CHG | Certified Hydrogeologist |
| CHG | Compass Hotel Group (Australia) |
| CHG | Come Holy Ghost (Catholicism) |
| CHG | Catalytic Hydrothermal Gasification (fuel production) |
| CHG | Critical Hydraulic Gradient |