| MHR | Machine Hour Rate 
| Others |
| MHR | Madd Hatt R
| Others |
| MHR | Magna Hyman Resource Center
| Others |
| MHR | Magnum Hunter Resources
| Others |
| MHR | Major Hydrophilic Region
| Others |
| MHR | Malware Hash Registry
| Others |
| MHR | Man Hours Required
| Others |
| MHR | Management and Human Relations
| Others |
| MHR | Management and Human Resources
| Others |
| MHR | Manhart Racing
| Others |
| MHR | Many Happy Returns
| Others |
| MHR | Master Hunting Retriever
| Others |
| MHR | Master of Human Relations
| Others |
| MHR | Master of Human Resources
| Others |
| MHR | Master of Human Rights
| Others |
| MHR | Masters Historic Racing
| Others |
| MHR | Max Head room
| Others |
| MHR | Max Heart Rate
| Others |
| MHR | Maximal heart rate
| Others |
| MHR | Maximum Heart Rate
| Others |
| MHR | McGraw Hill Ryerson
| Others |
| MHR | Mediterranean Historical Review
| Others |
| MHR | member of House of Representatives
| Others |
| MHR | Member of the House of Representatives
| Others |
| MHR | Mental Health Rehabilitation
| Others |
| MHR | Mental Health Renewal
| Others |
| MHR | Mental Health Resources
| Others |
| MHR | Meridian High Resolution
| Others |
| MHR | Mgmt Human Relations
| Others |
| MHR | Michigan Hot Rod
| Others |
| MHR | Mike hailwood replica
| Others |
| MHR | Mile High Report
| Others |
| MHR | Min Hop Routing
| Others |
| MHR | Minimum Hop Routing
| Others |
| MHR | Mission Hemispheric Radar
| Others |
| MHR | Mobile Health Resources
| Others |
| MHR | Mobile Home Residential
| Others |
| MHR | Molecular Human Reproduction
| Others |
| MHR | Monterey Historic Races
| Others |
| MHR | Moronic Homophobic Racist
| Others |
| MHR | Most Holy Redeemer
| Others |
| MHR | Motor Home Rentals
| Others |
| MHR | mule headed Republican
| Others |
| MHR | Multiple Head Registration
| Others |
| MHR | Sacramento Mather Airport (formerly Mather Air Force Base), Sacramento, California USA
| Others |