SMHD
| Acronym | Definition |
|---|---|
| SMHD | Smoky Mountain Harley-Davidson (Tennessee) |
| SMHD | Southern Mono Healthcare District (Mammoth Hospital; Mammoth Lakes, CA) |
| SMHD | Second Minute Hour Day |
| SMHD | Student Monitor Help Desk |
| SMHD | San Mateo Harbor District (est. 1933; San Francisco, CA) |
| SMHD | South Milwaukee Health Department (Wisconsin) |