DSP may refer to:

Computing Digital signal processing, a 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, in 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 known as 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

Democratic Left Party (Turkey) () Democratic Socialist Party (Japan) Democratic Socialist Party (Prabodh Chandra), India Democratic Socialist Perspective (formerly Democratic Socialist Party), Australia German State Party (), a political party of the Weimar Republic period German Socialist Party (), a far-right party founded after World War I Sovereign Popular Democracy (), a populist party in Italy

Other organizations 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 Dark-sky preserve, areas that restrict light pollution to protect night skies