HSDG
| Acronym | Definition |
|---|---|
| HSDG | High School Diploma Graduate (also seen as High School Degree Graduate) |
| HSDG | Hamburg Südamerikanische Dampfschifffahrts Gesellschaft Kg (Hamburg South American Steamship Corporation) |
| HSDG | High School Degree Graduate (also seen as High School Diploma Graduate) |
| HSDG | Human Systems Development Group |