| Acronym | Definition |
|---|
| HTD | Heated |
| HTD | Howard the Duck (film) |
| HTD | Happy to Discuss |
| HTD | Hub to Distributor |
| HTD | Haste the Day (band) |
| HTD | High Torque Drive (synchronous belt drives) |
| HTD | Hasten the Day |
| HTD | Heat Transfer Division |
| HTD | Hospital for Tropical Diseases (UK) |
| HTD | Highway and Transportation Department (Arkansas) |
| HTD | Hit The Deck |
| HTD | HEDS Technology Demonstration (NASA) |
| HTD | High-Tech District |
| HTD | Head-to-Desk |
| HTD | Highway Traffic Division |
| HTD | Hold 'Till Drop (investing strategy) |
| HTD | Happiness through Drinking (band) |
| HTD | Home To Duty (mileage allowance) |
| HTD | Hankel Transform Domain |
| HTD | Hand Target Designator |
| HTD | Human Therapeutic Dose |
| HTD | Horizontal Tactical Display |
| HTD | Hybrid Time-Domain |
| HTD | High Threshold Detection |
| HTD | Hand Tool Dexterity |
| HTD | Hyperbolic Temporal Discounting (neuroscience) |
| HTD | Hockey Team Dancer (Age of Love reality dating TV show) |