MHHA
| Acronym | Definition |
|---|---|
| MHHA | Michigan Home Health Association (Okemos, Michigan) |
| MHHA | Minnesota Health and Housing Alliance (St. Paul, MN; now Aging Services of Minnesota) |
| MHHA | Michigan Homecare & Hospice Association (est. 1981) |
| MHHA | Michigan Harness Horsemen's Association |