| HFD | Croatian Pharmaceutical Society 
| Others |
| HFD | Croatian Physical Society
| Others |
| HFD | Hairy Fat Drinkers
| Others |
| HFD | Hammondsport Fire Department
| Others |
| HFD | Hardware Freedom Day
| Others |
| HFD | Harpies Feather Duster
| Others |
| HFD | Hartford Connecticut USA
| Others |
| HFD | Hartford Funky Disco
| Others |
| HFD | Hartford Station (CT Rail - AMTK)
| Others |
| HFD | Hartree Fock Dispersion
| Others |
| HFD | Hayward Fire Department
| Others |
| HFD | Headquarters, FDA Drug; mail code for Center for Drug Evaluation and Research
| Others |
| HFD | Health Facilities Division
| Others |
| HFD | Health Fitness Dynamics
| Others |
| HFD | Healthcare Finance Direct
| Others |
| HFD | Heavily Focused on Drama
| Others |
| HFD | Hide Find and Design
| Others |
| HFD | High Fat Diet
| Others |
| HFD | High Frequency Damping
| Others |
| HFD | High Frequency Detection
| Others |
| HFD | Hindi Film Dance
| Others |
| HFD | Histone Fold Domain
| Others |
| HFD | Honolulu Fire Department
| Others |
| HFD | Hoo Flung Dung
| Others |
| HFD | Hospitality Furnishings Design
| Others |
| HFD | House of Flying Daggers
| Others |
| HFD | Houston Fire Department
| Others |
| HFD | Houston Fire Department's
| Others |
| HFD | Human and Family Development
| Others |
| HFD | Human Fertility Database
| Others |