| Acronym | Definition |
|---|
| HRV | Heart Rate Variability |
| HRV | Croatia (ISO Country code) |
| HRV | Heat Recovery Ventilator |
| HRV | Hatchback Recreational Vehicle |
| HRV | High Resolution Video |
| HRV | Human Rhinovirus |
| HRV | High Resolution Visible |
| HRV | Heavy Rail Vehicle (trains) |
| HRV | Haute Resolution Visible |
| HRV | High Retail Value |
| HRV | Historic Range of Variability (ecology) |
| HRV | Hypersonic Research Vehicle |
| HRV | Heavy Repair Vehicle (wheeled) |
| HRV | Hercules Recovery Vehicle |
| HRV | High-pressure Relief Valve |
| HRV | Home Rekey Variable |
| HRV | Header Raise Valve |
| HRV | Hjallerup Rideklub Vrinsk (Danish) |