HDSC
| Acronym | Definition |
|---|---|
| HDSC | High Density Signal Carrier |
| HDSC | Hydrometeorological Design Studies Center (US NOAA) |
| HDSC | Hazardous Material Distribution Support Center |
| HDSC | Huntington's Disease Support Club |
| HDSC | Hitachi Data Systems Corporation (electronics company) |
| HDSC | Hybrid Document Scanner Camera |
| HDSC | Headphone Science |
| HDSC | High Definition System Controller |
| HDSC | Hearts, Diamonds, Spades, Clubs (playing cards; mathematics problem solving) |
| HDSC | Harwich and Dovercourt Sailing Club (UK) |