| 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 |