| Abbreviation | Definition |
|---|---|
| MHM | Master of Healthcare Management |
| MHM | Masters in Healthcare Management |
| MHM | Mental Health Matters |
| MHM | Mental Health Mummies |
| MHM | Methodist Healthcare Ministries |
| MHMA | Mental Health in Multicultural Australia |
| MHMA | Mental Health Management Agency |
| MHMA | Midwest Healthcare Marketing Association |
| MHMB | Multipurpose Health Monitoring Bracelet |
| MHMO | Medicaid Health Maintenance Organization |
| MHMO | Medicare Health Maintenance Organization |
| MHMO | Mental Health Management Ontology |
| MHMR | Mental Health Mental Retardation |
| MHMR | Mental Health, Mental Retardation, |
| MHMR | My Health My Resources |
| MHMRA | Mental Health Mental Retardation Authority |
| MHN | Managed Health Network |
| MHN | Managed HealthCare Northwest |
| MHN | Mens Health Network |
| MHN | Mental Health Net |