DSN may refer to:

Technology

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Computing & Internet

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Military and Intelligence

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  • Defense Switched Network, a communications network operated by the United States Department of Defense
  • DSN DASH, the U.S. Navy's Drone Anti-Submarine Helicopter.
  • DSN Satellite Network, a Japanese military X band satellite communications network operated by DSN Corporation
  • Direktion für Staatsschutz und Nachrichtendienst (Directorate for National Security and Intelligence), an Austrian intelligence agency

Space

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Media and Entertainment

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Others

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