DSP

• 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

• 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

• 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

• 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

{{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

• Delta Sigma Phi, a social fraternity
• Delta Sigma Pi, a co-ed business fraternity

• 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

• 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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