HCF
- HCF Insurance
- Hacemos Federal Coalition
- Halt and Catch Fire (TV series)
- Halt and Catch Fire (computing)
- Hamilton Community Foundation
- Hard Candy Fitness
- Hawaii
- Hellenic Cricket Federation
- Hellenic Cycling Federation
- High-cycle fatigue
- Highest common factor
- Hispanic College Fund
- Historic Charleston Foundation
- Honolulu Control Facility
- Host cell factor C1
- Hot Club de France
- Hundred cubic feet
- Hungarian Chess Federation
- Hutchinson Correctional Facility
- Hybrid coordination function
- Hércules CF
- Street Fighter II