| Acronym | Definition |
|---|
| TDE | Transparent Data Encryption |
| TDE | Top Dawg Entertainment (recording label) |
| TDE | Turbo Drive Engine (computing) |
| TDE | Turbo Drive Engine |
| TDE | Tivoli Data Exchange (IBM) |
| TDE | The Duke Endowment (est. 1924) |
| TDE | The Dark Eye (role playing game) |
| TDE | Trends in Developing Economies |
| TDE | Time-Delay Estimation |
| TDE | Touch-tone Data Entry |
| TDE | Terminal Display Editor |
| TDE | Toho Development Engineering Co., Ltd. (Japan) |
| TDE | Three-Day Event |
| TDE | Technology Data Exchange |
| TDE | Thermodynamic Equilibrium |
| TDE | Transmit Data Register Empty |
| TDE | Technical Development Establishment (India) |
| TDE | Tactical Decision Exercise |
| TDE | Total Daily Exposure (noise measurement) |
| TDE | Theo Decker Essen |
| TDE | Test Development Engineering |
| TDE | Tactical Deception Element |
| TDE | Terminal Data Entry |
| TDE | Torque Drive Electronics |
| TDE | Terminal Data Equipment |
| TDE | Tony Demaria Electric, Inc. (Wilmington, California) |
| TDE | Time Domain Encoding |
| TDE | Two-Dimensional Editor |
| TDE | Training Development Element |
| TDE | Trans-Data Engineering (vehicle data) |