| HF | High Frequency | - | Atmospheric Research Center |
| HF | Heart Failure | - | Computer Acronyms(common) |
| HF | Hard Failure | - | Organizations |
| HF | High Frequency | - | Organizations |
| HF | Horizontal Flight | - | Organizations |
| HF | Hot Firing | - | Organizations |
| HF | Hydrogen Fill | - | Organizations |
| HF | Hyperfiltration | - | Organizations |
| HF | Have Fun | - | Sms Text Smileys and Emoticons |
| HF | Have Faith | - | ISO Country Codes |
| HF | Have Fun | - | ISO Country Codes |
| HF | Hello Friend | - | ISO Country Codes |
| HF | High Frequency | - | Astronomy |
| HF | Hafnium | - | Astronomy |
| HF | High Frequency | - | Business and Finance |
| HF | High Frequency | - | Business and Finance |
| HF | high frequency
| - | Human Genome |
