| Acronym | Definition |
|---|
| HCSS➣High Capacity Storage System |
| HCSS➣High Capacity Storage System (Novell) |
| HCSS➣Hague Centre for Strategic Studies (est. 2007; Netherlands) |
| HCSS➣Heavy Construction Systems Specialists, Inc. (est. 1986; Houston, TX) |
| HCSS➣High Capacity Stacker Stapler (Xerox) |
| HCSS➣Hypercompact Stellar System (astrophysics) |
| HCSS➣Hypersensitive Carotid Sinus Syndrome (medical disorder) |
| HCSS➣Hunter College School of Social Work (New York) |
| HCSS➣Home and Community Support Staff (Albany, NY) |