| Acronym | Definition |
|---|
| MRH | Market Research Hub (various locations) |
| MRH | Memory Repeater Hub |
| MRH | Michael Reese Hospital (Chicago, IL) |
| MRH | Men's Right Hand (golf clubs) |
| MRH | Main Rotor Head (helicopters) |
| MRH | Moore Regional Hospital (Pinehurst, NC) |
| MRH | Milial Resort Hotels (Japan) |
| MRH | Multi-Resolution Homogenization |
| MRH | Mastic Roller Hybrid |
| MRH | Mission Ressources Humaines (French: Human Resources Mission) |
| MRH | Mataillos Rejuntaos de Hafen (MMO gaming guild) |
| MRH | Mandeville Regional Hospital (Mandeville, Jamaica) |
| MRH | My Royal Heinie (diapers) |