DSB may refer to:

Science, technology and devices[link]

• Disulphide bridge (enzyme), a protein found in prokaryotes. Equivalent to eukaryotic PDI
• Double Strand Break, a break in DNA which may be a precursor to Genetic recombination
• in telecommunications, double-sideband transmission
  • double-sideband suppressed-carrier transmission (DSB-SC)
  • double-sideband reduced carrier transmission (DSB-RC)
• Dictionary of Scientific Biography, a multivolume reference work edited by Charles Coulston Gillespie
• Defense Science Board of the United States

Arts[link]

• Dame Shirley Bassey, internationally renowned Welsh singer
• "Don't Stop Believin'", a song by American rock band Journey

Politics[link]

• Democrats for a Strong Bulgaria, a political party in Bulgaria.

Institutions, companies, products and trademarks[link]

• WTO Dispute Settlement Body of the World Trade Organization
• DSB (railway company) in Denmark
• Dalriada School, Ballymoney, a Grammar School in Ballymoney, Northern Ireland.
• De Surinaamsche Bank in Suriname
• DSB Bank in the Netherlands
  • DSB Stadion, a football stadium in Alkmaar, Netherlands sponsored by the above bank
• Dutch Safety Board, a Netherlands investigation agency
• Directorate for Civil Protection and Emergency Planning, a Norwegian government organization

Others[link]

• ISO 639-2 or SIL International language code for the Lower Sorbian language
• Department Store Battles, a modification for Battlefield 2, a computer game by the Swedish developer Digital Illusions CE (DICE)
• Deep sand bed, a filtration method used in some saltwater aquariums
• Dasari Santhosh Babu
• Dark Square Bishop (chess)
• Dual Sport Bike, A hybrid street trail bicycle marketed under the Schwinn trademark

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