| Acronym | Definition |
|---|
| MHR➣Ministry of Human Rights (various locations) |
| MHR➣McGraw-Hill Ryerson (Canadian publisher) |
| MHR➣Maximum Heart Rate |
| MHR➣Mid-Hants Railway (heritage railway; Hampshire, UK) |
| MHR➣Meridian High Resolution |
| MHR➣Magnum Hunter Resources (gas and oil company; Houston, TX) |
| MHR➣Maternal Heart Rate |
| MHR➣Medical Hair Restoration |
| MHR➣Marvel Heroic Roleplaying (gaming) |
| MHR➣Mori Hills Reit (Japan) |
| MHR➣Mike Hailwood Replica (model of Ducati motorcycle) |
| MHR➣Mobile Home Residential (zoning) |
| MHR➣Many Happy Returns |
| MHR➣Missouri Historical Review (State Historical Society of Missouri) |
| MHR➣Member of the House of Representatives |
| MHR➣Manual Handling Regulations (UK) |
| MHR➣Mental Health Rehabilitation |
| MHR➣Malossi Hyper Racing (Italy) |
| MHR➣Multiple Head Registration |
| MHR➣Mean Hull Roughness (sailing) |
| MHR➣Master of Human Relations |
| MHR➣Maternal High Risk (program; various locations) |
| MHR➣Max Headroom (TV show) |
| MHR➣Michigan House Republicans |
| MHR➣Manhours |
| MHR➣Maritime Heritage Resources |
| MHR➣Mile High Resistance |
| MHR➣Medical and Health Research |
| MHR➣Murder House Records (band) |
| MHR➣Medical History Review |
| MHR➣Multi-Hop Relay |
| MHR➣Mass Hysteria Records |