| Acronym | Definition |
|---|
| HRG | Human Resources Group (various organizations) |
| HRG | Hurghada, Egypt (Airport Code) |
| HRG | High Resistance Grounding (industrial power systems) |
| HRG | Hogg Robinson Group |
| HRG | Home Retail Group (UK) |
| HRG | Horn Rimmed Glasses (TV Show character, Heroes) |
| HRG | Health Research Group |
| HRG | Herausgeber (German: Editor) |
| HRG | Human Rights Group (various organizations) |
| HRG | Healthcare Resource Group (UK) |
| HRG | Histidine-Rich Glycoprotein |
| HRG | High Risk Group |
| HRG | Herbert, Rowland & Grubic, Inc. (engineering firm) |
| HRG | Heritage Realty Group (India) |
| HRG | High Resolution Graphics |
| HRG | Home Renovation Guide (blog) |
| HRG | Home Resource Guide |
| HRG | Humanoid Research Group |
| HRG | Hamacher Resource Group (Milwaukee, WI) |
| HRG | Hair Restoration Group |
| HRG | Hemispherical Resonator Gyroscope |
| HRG | High Rate Gyro |
| HRG | Historic Research Group |
| HRG | Heat Reflective Glass |
| HRG | Ham Radio Guild (Kerala, India) |