MHGS
| Acronym | Definition |
|---|---|
| MHGS | Mars Hill Graduate School (Washington) |
| MHGS | Metropolitan Holy Ghost Society |
| MHGS | Midwest Historical and Genealogical Society |
| MHGS | Mary Hare Grammar School (Newbury, Berkshire, England, UK) |
| MHGS | Moseley Hall Grammar School (Cheadle, Cheshire, UK) |