| DMHS | Daihatsu Mild Hybrid System
| Others |
| DMHS | Dampness and Mold Hypersensitivity Syndrome
| Others |
| DMHS | Deaf Mental Health Services
| Others |
| DMHS | Deconstructing the Mental Health System
| Others |
| DMHS | Defense Message Handling System
| Others |
| DMHS | Del Mar High School
| Others |
| DMHS | Des Moines Historical Society
| Others |
| DMHS | Desert Mirage High School
| Others |
| DMHS | Desert Mountain High School
| Others |
| DMHS | Digital Mail Handling Services
| Others |
| DMHS | Disaster Management and Homeland Security
| Others |
| DMHS | Division of Mental Health Services
| Others |
| DMHS | Dixieland Miniature Horse Society
| Others |
| DMHS | Downtown Magnets High School
| Others |
| DMHS | Drayton Manor High School
| Others |
| DMHS | Dubai Modern High School
| Others |
| DMHS | Duncan MacMillan High School
| Others |
| DMHS | DuPont Manual High School
| Others |
| DMHS | Dwight Morrow High School
| Others |