| Acronym | Definition |
|---|
| TDU➣Test Drive Unlimited (game) |
| TDU➣Teamsters for a Democratic Union |
| TDU➣Transmission and Distribution Utility |
| TDU➣Tour Down Under (Australian cycle race) |
| TDU➣Termination and Distribution Unit |
| TDU➣Tactical Duty Uniform (police uniform) |
| TDU➣Time Display Unit (Masibus) |
| TDU➣Trash Disposal Unit |
| TDU➣Thermal Desorption Unit |
| TDU➣Topology Database Update |
| TDU➣Triple DES (Data Encryption Standard) Unit |
| TDU➣Techniques Development Unit |
| TDU➣Tainted, Decomposed or Unwholesome (food industry inspections) |
| TDU➣Transmission Data Unit |
| TDU➣Tactical Display Unit |
| TDU➣Target Detection Unit |
| TDU➣Towed Drone Unit (US DoD) |
| TDU➣Tube Distribution Unit |
| TDU➣Telescope Demonstration Unit (HESSI/NASA) |
| TDU➣Tool Deployment Unit |
| TDU➣Threat Display Unit |
| TDU➣Too Dumb to Understand |
| TDU➣Training Device Upgrade |
| TDU➣Target Development Unit |
| TDU➣Temperature Display Unit |
| TDU➣Tooling Deployment Unit |
| TDU➣Trajectory Display Unit |
| TDU➣Tactical Dress Unit (Germany) |
| TDU➣Tactical Deception Unit |