| Term | Full Form | Category |
|---|---|---|
| HCCS | Haslemere Classic Car Show | Others |
| HCCS | Healthcare Coding and Consulting Services | Others |
| HCCS | Hellenic Classical Charter School | Others |
| HCCS | Heritage Community Christian School | Others |
| HCCS | Holmes Chapel Comprehensive School | Others |
| HCCS | Holy Cross Catholic School | Others |
| HCCS | Holyoke Community Charter School | Others |
| HCCS | Houston Community College System | Others |