| Abbreviation | Definition |
|---|---|
| HSD | Human and Social Development |
| HSDA | Health Services and Development Agency |
| HSDC | Haryana Seeds Development Corporation |
| HSDC | Hawaii Strategic Development Corporation |
| HSDC | Heritage Skills Development Center |
| HSDC | Heritage Skills Development Centre |
| HSDM | Haryana Skill Development Mission |
| HSDN | Holistic Sustainable Development Network |
| HSDO | Hospitality Student Development Organization |
| HSDP | Health and Safety Development Plan |
| HSDP | Health Sector Development Plan |
| HSDP | Health Sector Development Programme |
| HSDS | Hamburg Sustainable Development Summit |
| HSDS | Hospitality Software Development Services |
| HSDU | Health Sector Development Unit |
| HSDU | Healthy Settings Development Unit |
| HSDU | Higher Still Development Unit |
| HSPD | High School Player Development |
| HSPD | Human Services Planning Development |
| HSSEDI | Homeland Security Systems Engineering Development Institute |