SDT may refer to be:
- Scottish Dance Theatre
- Self-determination theory
- Service Description Table
- Sigma Delta Tau
- Signal detection theory
- Social dominance theory
- Sonodynamic therapy
- Special Duty Team
- Specially Designated Terrorist
- Shizuoka Daiichi Television
- Second demographic transition
- San Diego Trolley
This disambiguation page lists articles associated with the title SDT.
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If an internal link led you here, you may wish to change the link to point directly to the intended article.