| SDT | Safe Down Time 
| Others |
| SDT | Safe Drive Training
| Others |
| SDT | Salad Dressing Thief
| Others |
| SDT | San Diego Tekken
| Others |
| SDT | Scaling and Display Task
| Others |
| SDT | Scania Driver Training
| Others |
| SDT | Scheduled Down Time
| Others |
| SDT | Scheme Development Tool
| Others |
| SDT | Sdl Design Tool
| Others |
| SDT | Secchi Disk Transparency
| Others |
| SDT | Second Demographic Transition
| Others |
| SDT | Security and Data Technologies
| Others |
| SDT | Security Dynamics Technologies (Company)
| Others |
| SDT | Sega Daylight Time
| Others |
| SDT | Self Determination Theory
| Others |
| SDT | Self Driving Technology
| Others |
| SDT | Self Driving Truck
| Others |
| SDT | Sensory Deprivation Time
| Others |
| SDT | Sequence Demarcation Tool
| Others |
| SDT | Series Definition Table
| Others |
| SDT | Service Description Table
| Others |
| SDT | Service Descriptor Table
| Others |
| SDT | Service Design in Tourism
| Others |
| SDT | Set Debug Text
| Others |
| SDT | Share Draft Transmittal
| Others |
| SDT | Short Distance Travel
| Others |
| SDT | Show Don't Tell
| Others |
| SDT | Shuttle Data Tape
| Others |
| SDT | Siam Di Tella
| Others |
| SDT | Sigma Delta Tau
| Others |
| SDT | Signal Detection Theory
| Others |
| SDT | Single Domain Training
| Others |
| SDT | Singlet Doublet Triplet
| Others |
| SDT | Slow Dissolve Tablet
| Others |
| SDT | Sludge Dilation Tank
| Others |
| SDT | Smart Draw Template
| Others |
| SDT | SmartDraw template
| Others |
| SDT | Software Development Techniques
| Others |
| SDT | Software Development Test
| Others |
| SDT | Software Development Tool
| Others |
| SDT | Sound Design Toolkit
| Others |
| SDT | Sound Detection Technology
| Others |
| SDT | Soundscape Digital Technology
| Others |
| SDT | Special and Differential Treatment
| Others |
| SDT | Specially Designated Terrorist
| Others |
| SDT | Speech Detection Threshold
| Others |
| SDT | Spinning Drop Tensiometer
| Others |
| SDT | Spontaneously Diabetic Torii
| Others |
| SDT | Staged Development Tool
| Others |
| SDT | Standard Distributor Tester
| Others |
| SDT | Star Division Team
| Others |
| SDT | Start Data Traffic
| Others |
| SDT | Start Data Transfer
| Others |
| SDT | Statically Defined Tracing
| Others |
| SDT | Stonefield Database Toolkit
| Others |
| SDT | Stop Doing Things
| Others |
| SDT | Structural Development Tests
| Others |
| SDT | Structural Dynamic Test
| Others |
| SDT | Structured Data Transfer
| Others |
| SDT | Structured Document Tag
| Others |
| SDT | Study Design Testb
| Others |
| SDT | Subpoena Duces Tecum
| Others |
| SDT | Suburban Death Trip
| Others |
| SDT | Summer Dinner Theatre
| Others |
| SDT | Super Deep Tread
| Others |
| SDT | Super Diesel Turbo
| Others |
| SDT | Super Diverse Talent
| Others |
| SDT | Super Duty Truck
| Others |
| SDT | System Design Tool
| Others |
| SDT | System Dump Table
| Others |
| SDT | Systems Development Tool
| Others |
| SDT | The Scriptable Display Tool
| Others |