| Acronym | Definition |
|---|
| THD | Total Harmonic Distortion |
| THD | The Home Depot (stock symbol) |
| THD | Thread (File Name Extension) |
| THD | The Dalles (Amtrak station code; Dalles, OR) |
| THD | Tulsa Health Department (Tulsa, OK) |
| THD | Technological Hazards Division (US FEMA) |
| THD | Thread |
| THD | Transmitting Heading Device (navigation) |
| THD | Doctor of Theology |
| THD | Temporary Housing Division (The Solution Group; various locations) |
| THD | Technische Hochschule Darmstadt |
| THD | Tegra High Definition (Nvidia) |
| THD | Through-Hole Device |
| THD | Thread/Threads |
| THD | Technical Help Desk |
| THD | Technical Hole Deviation (drilling) |
| THD | Top Horizontal Discharge |
| THD | Total Hop Distance |
| THD | TNF (Tumor Necrosis Factor) Homology Domain (molecular structure) |