| Acronym | Definition |
|---|
| HHF➣Heinz-Harald Frentzen (racing) |
| HHF➣Hardest-Hit Fund (financial assistance program; various locations) |
| HHF➣Hyper High Frequency |
| HHF➣Historic Hawaii Foundation (Honolulu, HI) |
| HHF➣Haitian Health Foundation (Norwich, CT) |
| HHF➣Hockey Hall of Fame |
| HHF➣High-Heat Flux |
| HHF➣Harmony Hall Fukui (concert hall; Fukui, Japan) |
| HHF➣Human Highlight Film (sports) |
| HHF➣Hyper-High Frequency |
| HHF➣HappyHour Films |
| HHF➣Hunter Harley Fest (motorcycle rally) |
| HHF➣Hard House Federation |
| HHF➣HandHeld File Format |
| HHF➣Hungry Hungry Felhounds |