DSP may refer to:
Computing
- Digital signal processing, the mathematical manipulation of an information signal
- Digital signal processor, a microprocessor designed for digital signal processing
- Dynamic Reconfiguration port
- Yamaha DSP-1, a proprietary digital signal processor
- Demand-side platform, a system to facilitate the buying of online advertising
Education
- Developmental social-pragmatic model, a developmental intervention for autistic spectrum disorders
- Direct support professional, a specialist in education of the mentally disabled
- Deutsche Schule Prag, a German international school in Prague, Czech Republic
- Deutsche Schule Paris, now the Internationale Deutsche Schule Paris, a German international school in France
- Deutsche Schule Pretoria, a German international school in Pretoria, South Africa
Military and police
- Deputy Superintendent of Police, also DySP
- Defense Standardization Program, in the U.S. military
- Defense Support Program, operators of the U.S. Air Force's early-warning satellites
- Delaware State Police
- Disruptive solutions process in the U.S. Air National Guard
- Special Presidential Division, a Zairean military unit
Music
- Dark Sky Paradise, an album by Big Sean
- Devi Sri Prasad (born 1979), south Indian film composer, lyricist, singer, and performer
- Deathlike Silence Productions, a record label in Norway
- DSP Media, a Korean entertainment company
Organizations
Politics
See also: Democratic Socialist Party (disambiguation)- Democratic Left Party (Turkey) (Demokratik Sol Parti)
- Democratic Socialist Party (Japan)
- Democratic Socialist Party (Prabodh Chandra), India
- Democratic Socialist Perspective (formerly Democratic Socialist Party), Australia
- German State Party (Deutsche Staatspartei), a political party of the Weimar Republic period
- German Socialist Party (Deutschsozialistische Partei), a far-right party founded after World War I
Other
- Delta Sigma Phi, a social fraternity
- Delta Sigma Pi, a co-ed business fraternity
Science and technology
- Disodium phosphate
- Dairy Science Park, a scientific organization in Peshawar, Pakistan
- Desmoplakin, a human gene
- Dynamin Superfamily Protein, a protein superfamily
- Diarrhetic shellfish poisoning
- Dual-specificity phosphatase
- Downstream processing
Other uses
- Decessit sine prole, in genealogy, a person who died without having children
- Designated Suppliers Program, an anti-sweatshop standard used in some US universities
- Deutscher Spiele Preis, a board games award in Germany
- DSP (film), a 2022 Indian Tamil-language film
- Durgapur Steel Plant, in India
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