| Abbreviation | Definition |
|---|---|
| MHAD | Mental Health Assistance Dogs |
| MHAD | Mental Health Awareness Day |
| MHAI | Mental Health America Indiana |
| MHAI | Mental Health America of Illinois |
| MHAI | Mental Health America of Indiana |
| MHAI | Mental Health Awareness Initiative |
| MHAI | Mental Health Awareness Intiative |
| MHAM | Mental Health Association of Maryland |
| MHAN | Mental Health Advocacy Network |
| MHAN | Mental Health and Addictions Nursing |
| MHAN | Mental Health and Aging Network |
| MHAS | Mexican Health and Aging Study |
| MHB | Mental Health Break |
| MHBP | Mail Handlers Benefit Plan |
| MHC | Maternal Health Care |
| MHC | Mental Health Clinician |
| MHC | Mental Health Cooperative's |
| MHC | Michigan Health Connect |
| MHC | Munson Health Care |
| MHCC | Maryland Health Care Commission |