DST is an abbreviation which stands for Daylight saving time.
DST may also refer to:
- Darlington & Stockton Times, an English newspaper
- Data Storage Technology, a magnetic tape data storage format from Ampex.
- Delta Sigma Theta, a non-profit Greek letter organization of college educated women
- Department of Science and Technology (South Africa)
- Department of Science and Technology (India), a department for promoting science and technology in India
- Deutsche Schule Tehran, The German School in Tehran, Iran
- Developmental systems theory
- Dexamethasone suppression test
- Dialogical self theory
- Digital Signature Transponder, a cryptographically-enabled radio-frequency identification (RFID) device manufactured by Texas Instruments.
- Digital Sky Technologies, a Russian telecommunications company
- Direct Stream Transfer, lossless compression; part of MPEG-4; used for SACD
- Direction de la surveillance du territoire (Directorate of Territorial Surveillance), the former French domestic intelligence agency, in 2008 merged into the successor DCRI (Direction centrale du renseignement intérieur).
- Directional Symmetry Transform
- Discrete sine transform, a variant of the discrete fourier transform for real and odd functions
- Douglas Sleeper Transport, an early version of the Douglas DC-3 that had sleeping berths for overnight travel
- Drill Stem Test, a temporary completion of an oil or gas well to test fluid content, pore pressure and rock properties.
- DST Systems Inc. a software development company.
- Dynamic Storage Technology a storage technology by Novell
- Dynamical systems theory
- Dystonin, a human gene
- Disturbance Storm Time Index, pertinent to space weather conditions
