MHHS
| Acronym | Definition |
|---|---|
| MHHS | Memorial Hermann Healthcare System (Houston, TX) |
| MHHS | Multicultural Helping House Society (Canada) |
| MHHS | Mountain Home High School (various locations) |
| MHHS | Medicine Hat High School (Alberta, Canada) |
| MHHS | Mount Hebron High School (Maryland) |
| MHHS | Mt. Hope High School (West Virginia) |
| MHHS | Mount Horeb High School (Mount Horeb, WI) |
| MHHS | Maple Heights High School (Maple Heights, Ohio) |
| MHHS | Madison Heights High School (Anderson, IN) |