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