- DSST stands for Denver School of Science and Technology (Colorado charter school)
- DSST stands for Digit Symbol Substitution Test (psychiatry)
- DSST stands for DANTES Subject Standardized Test
- DSST stands for Dunlop Self-Supporting Technology (Dunlop Tires)
- DSST stands for Deutsche Stiftung Sail Training (German: German Sail Training Foundation)
- DSST stands for Different Strokes Swim Team (San Diego, CA)
- DSST stands for Direct Signal Support Team
- DSST stands for Directive en Matière de Santé et Sécurité au Travail (French: Directive on Health and Safety at Work; Switzerland)
DSST