| Acronym | Definition |
|---|
| SDT➣Self-Determination Theory (psychology) |
| SDT➣Singapore Dance Theatre |
| SDT➣Solicitors Disciplinary Tribunal (various locations) |
| SDT➣Shizuoka Daiichi Television (Japan) |
| SDT➣Software Development and Technology |
| SDT➣Scheme Development Tool |
| SDT➣Service Descriptor Table |
| SDT➣Structural Dynamic Test |
| SDT➣Systems Development Tool |
| SDT➣Start Data Traffic |
| SDT➣Smart Draw Template |
| SDT➣Soundscape Digital Technology |
| SDT➣Structured Data Transfer |
| SDT➣System Dump Table |
| SDT➣Series Definition Table |
| SDT➣Soldat |
| SDT➣Sigma Delta Tau (sorority) |
| SDT➣Structured Document Tag (computing) |
| SDT➣Second Dial Tone |
| SDT➣Scottish Dance Theatre (UK) |
| SDT➣Signal Detection Theory (cognitive science) |
| SDT➣Service Description Table (Digital Video Broadcast data) |
| SDT➣Serial Data Transmitter |
| SDT➣System Development Team (various organizations) |
| SDT➣Software Design Technology (UK) |
| SDT➣Special Disability Trust (Australia) |
| SDT➣Specially Designated Terrorist |
| SDT➣Subpoena Duces Tecum |
| SDT➣Service Delivery Team (various organizations) |
| SDT➣Spectral Domain Technique |
| SDT➣Science Definition Team (NASA) |
| SDT➣Second Destination Transportation |
| SDT➣Step Down Transformer |
| SDT➣Society of Dairy Technology (UK) |
| SDT➣Shallow Draft Tug (boat) |
| SDT➣San Diego Trolley |
| SDT➣Steel Deck Truss (engineering) |
| SDT➣Service de Traduction (Translation Service of the Commission of the EU) |
| SDT➣Stutter Dial Tone |
| SDT➣Software Development Tool |
| SDT➣Self Development Test |
| SDT➣Shock-to-Detonation Transition (detonation physics) |
| SDT➣Self Directed Teams |
| SDT➣Surveillance Detection Team |
| SDT➣Scheduled Downtime |
| SDT➣Scent Detection Technologies Ltd. (Israel) |
| SDT➣Software Delivery Tool |
| SDT➣Scottish Disability Team (UK) |
| SDT➣Sol Driven Train (band) |
| SDT➣System Design Team |
| SDT➣Software Development Test |
| SDT➣Start Data Transfer |
| SDT➣Secondary Designated Target |
| SDT➣Systems Development Team |
| SDT➣Senior Director Technician |
| SDT➣Silver Diffusion Transfer (film processing) |
| SDT➣Selection Diversity Transmission |
| SDT➣Space & Defence Technologies (Turkey) |
| SDT➣SACCS Desktop Terminal |
| SDT➣Steered Directional Transmission |
| SDT➣Simple Data Transformer |
| SDT➣Spatial Display Tool |
| SDT➣Spare Delivery Time |
| SDT➣Shadow Development Technologies |
| SDT➣Standard Diagnostic Test |
| SDT➣System Diagnostic Test |
| SDT➣Standard Duty Title |
| SDT➣Small Dead Time (geophysics) |
| SDT➣Supply Delay Time |
| SDT➣Shippers Declaration of Transport of dangerous goods (FIATA) |
| SDT➣Synchronization, Data and Timing (composite data signal) |
| SDT➣System Development Test |
| SDT➣Sun-Dried Tomato(es) (restaurant menus) |
| SDT➣Surveillance Data Translator |