| Abbreviation | Definition |
|---|---|
| HCWC | Harney County Watershed Council |
| HD | Health Department |
| HD | Heidelberg, Germany |
| HD | House of Delegates |
| HDA | Housing Development Agency |
| HDB | Housing and Development Board |
| HDHC | Hamilton District Health Council |
| HDL | Housing Development Loan |
| HDLC | Historic District Landmarks Commission |
| HEAR | Higher Education Act Reauthorization |
| HEC | Higher Education Commission |
| HELO | Haslett, East Lansing, and Okemos |
| HELP | Harmonized Efforts to Lessen Poverty |
| HEPC | Hydro Electric Power Commission (of Ontario) |
| HERO | Health Environment Regional Organisation |
| HERO | Home Energy Ratings of Ohio |
| HESI | Higher Education Support Initiative |
| HEZ | Health Enterprise Zone [Maryland] |
| HFLL | Hawaii Family Leave Law |
| HFO | Harrisburg Field Office |