| Acronym | Definition |
|---|
| HISC➣Home Instead Senior Care |
| HISC➣Healthcare Improvement Skills Center (online resource) |
| HISC➣Health Information Solutions Centre (Canada) |
| HISC➣Hydrogen Induced Stress Cracking |
| HISC➣House Internal Security Committee (US House of Representatives) |
| HISC➣Hawaii Invasive Species Council |
| HISC➣Hornet International Steering Committee (aircraft) |
| HISC➣High-density Instruction Set Computer |