| Acronym | Definition |
|---|
| HTF | Hard To Find |
| HTF | Happy Tree Friends |
| HTF | Hit the Floor (band) |
| HTF | How To Fight |
| HTF | Heat Transfer Fluid |
| HTF | Hold the Flag (game) |
| HTF | Highway Trust Fund |
| HTF | Hoefler Type Foundry (New York typography foundry) |
| HTF | Hypersonic Tunnel Facility (US NASA) |
| HTF | Hard To Follow |
| HTF | Hyper-G Text Format |
| HTF | Heat Treat Furnaces (Wisconsin) |
| HTF | Hanford Tank Farm |
| HTF | Hubble Tuning Fork (astronomy) |
| HTF | Hiawatha Temporary Facility (Michigan Department of Corrections) |
| HTF | Hardlines Technology Forum (American Hardware Manufacturers Association) |
| HTF | Helium Test Facility |
| HTF | High Temperature Film |
| HTF | Headline Task Force |
| HTF | Horizontal Test Facility |
| HTF | Harmonic Tight Frame |
| HTF | Half The Fight (punk rock band) |
| HTF | How the Freak (polite form) |
| HTF | Horse Thief Falls (Colorado) |
| HTF | Heterogenic Thought Fiction (band) |