HCSC
| Acronym | Definition |
|---|---|
| HCSC | Health Care Service Corporation (Chicago, IL) |
| HCSC | High Cascade Snowboard Camp (Government Camp and Portland, OR) |
| HCSC | Hospital Clinico San Carlos (Spanish: San Carlos Clinical Hospital; Madrid, Spain) |
| HCSC | Higher Command and Staff Course (educational Course run at the Joint Services Command & Staff College, Shrivenham, UK) |
| HCSC | Here Comes Santa Claus |
| HCSC | Hawaii Community Services Council |