HCC
- HCC (classification)
- HCC Insurance Holdings
- Hagerstown Community College
- Hailsham Community College
- Hameldon Community College
- Hampshire County Council
- Han Chiang College
- Hartford Civic Center
- Hawaii Cryptologic Center
- Heartland Community College
- Henderson Community College
- Hepatocellular carcinoma
- Highland Community College (Kansas)
- Hillsborough Community College
- Hindustan Construction Company
- Hindustani Covenant Church
- Hobby Computer Club
- Holland Computing Center
- Holy Cross College (disambiguation)
- Holyoke Community College
- Honolulu Community College
- Hoosier Crossroads Conference
- Hopkinsville Community College
- Housatonic Community College
- Housing Conservation Coordinators
- Houston Community College
- Howard Community College
- Hsinchu County Council
- Human-centered computing
- Hutchinson Community College
- NYC Health + Hospitals