| Acronym | Definition |
|---|
| MSHA | Master of Science in Health Administration |
| MSHA | Mine Safety and Health Administration |
| MSHA | Mine Safety and Health Administration (US DOL; est. 1978) |
| MSHA | Mountain States Health Alliance |
| MSHA | Maison des Sciences de l'Homme d'Aquitaine (French) |
| MSHA | Maryland State Highway Administration |
| MSHA | Maine State Housing Authority |
| MSHA | Mine Safety and Health Act of 1969 |
| MSHA | Michigan Speech-Language-Hearing Association |
| MSHA | Missouri Speech Language Hearing Association |
| MSHA | Mississippi Speech-Language-Hearing Association |
| MSHA | Mannose-Sensitive Hemagglutinin |
| MSHA | Maine Speech Language Hearing Association |
| MSHA | Manitoba Speech & Hearing Association (Canada) |
| MSHA | Minnesota Saddlebred Horse Association |
| MSHA | Manitoba Study of Health and Aging |
| MSHA | Michigan School Health Association |
| MSHA | Mining Safety and Health Act of 1977 |
| MSHA | Minnesota State Handball Association |
| MSHA | Montana State Houndsmen Association |
| MSHA | Missouri State Handball Association |
| MSHA | Midwest State Highway Agency |
| MSHA | Midnight Sun Hockey Association (Alaska, USA) |
| MSHA | Michigan Society of Hospital Attorneys |