| Acronym | Definition |
|---|
| MHSS➣Military Health Services System |
| MHSS➣Monk's Hill Secondary School (Singapore) |
| MHSS➣Malayan High School of Science (est. 2005; Manila, Philippines) |
| MHSS➣Musgrave Hill State School (Gold Coast, Australia) |
| MHSS➣Mt. Hood Snow Sports (website) |
| MHSS➣Melvyn Henaughan Safety Services (UK) |
| MHSS➣Materials Handling Support System |