| Acronym | Definition |
|---|
| SDH➣Synchronous Digital Hierarchy |
| SDH➣Sboru Dobrovolných Hasicu (Czech: Fire Fighters) |
| SDH➣Succinate Dehydrogenase |
| SDH➣System Development Handbook |
| SDH➣Systematized Digital Hardware |
| SDH➣Spatial Data Handling |
| SDH➣Social Determinants of Health |
| SDH➣Subdural Hematoma |
| SDH➣Sorbitol Dehydrogenase |
| SDH➣San Diego Hospice (San Diego, CA) |
| SDH➣Swiss Deluxe Hotels |
| SDH➣Succinate-Ubiquinone Oxidoreductase |
| SDH➣Saccharopine Dehydrogenase (biochemistry) |
| SDH➣Society for Digital Humanities (Canada) |
| SDH➣Software Development Handbook |
| SDH➣Super Duper High |
| SDH➣System Definition Handbook (US NASA) |
| SDH➣Subtitles for the Deaf & Hard of Hearing |
| SDH➣Side Drilled Hole |
| SDH➣Stammdienststelle des Heeres (German) |
| SDH➣Standard Data Header |
| SDH➣Société des Droits de l'Homme (French: League of Human Rights) |
| SDH➣Sleep Deprivation Headache |
| SDH➣Signal Degradation-Handoff |
| SDH➣Skill Dynamics Hypothesis |
| SDH➣Standard Digital Hierarchy |