| Abbreviation | Definition |
|---|---|
| HazDat | Hazardous Substance Release and Health Effects Database |
| HAZWOPER | Hazardous Waste Operations and Emergency Response |
| HB | House Bill |
| HBCU | Historically Black Colleges and Universities |
| HBK | Handbook |
| HBR | HellBound Records/Regime |
| HC | House Capitol |
| HCA | Health Care Authority |
| HCBS | Home and Community-Based Services |
| HCC | Hierarchical condition category |
| HCC | Horn Clause Completion |
| HCCA | Healthy Child Care America |
| HCDA | Housing and Community Development Act |
| HCFA | Health Care Financing Administration |
| HCFA | Health Care Financing Administration (now CMS) |
| HCFA | Health Care Financing Administration [subsequently Centers for Medicare and Medicaid Services (DHHS)] |
| HCP | Habitat Conservation Plan |
| HCP | hearing conservation program |
| HCPCS | Health Care Procedure Coding System |
| HCR | Hickory Creek Range |