| Acronym | Definition |
|---|
| SDMB | Straight Dope Message Board |
| SDMB | Satellite Digital Multimedia Broadcasting |
| SDMB | Sonoran Desert Mountain Bicyclists |
| SDMB | State Digital Map Base (Australia) |
| SDMB | Sun Devil Marching Band (Arizona State University) |
| SDMB | Statistics and Data Management Branch (US Centers for Disease Control) |
| SDMB | Small, Disadvantaged, and Minority Business |
| SDMB | Siple Dome B |
| SDMB | Satellite Digital Multiedia Broadcasting |
| SDMB | Service Dépannage Mobilier de Bureau |
| SDMB | Sovereign Debt Management Blueprint (US Treasury) |
| SDMB | Sociedade para o Desenvolvimento da Marina da Barra |
| SDMB | Stanley Downs Memorial Building |
| SDMB | Structure et Dynamique des Macromolécules Biologiques |
| SDMB | School of Dental Medicine Bulletin (Southern Illinois University Edwardsville) |
| SDMB | Search with Distributed Memory Bits (algorithm) |
| SDMB | Sonoran Desert Model Builders (Tucson, AZ) |