This acronym stands for:

  • Computing and Information Services Newsletter (CISN)
  • California Integrated Seismic Network (CISN)
  • Collaborative Internet Security Network (CyberDefender Corp.) (CISN)
  • Community Integrated Service Network (health care provider system) (CISN)
  • Communications, Information Systems and Networks (CISN)
  • Comit%C3%A9 Interminist%C3%A9riel de la S%C3%A9curit%C3%A9 Nucl%C3%A9aire (French: Interministerial Committee on Nuclear Safety) (CISN)
  • Computer Information Systems Networking (computing class) (CISN)
  • Computer Info Science_Network (computing class) (CISN)
  • Carrier Interactions and Spintronics in Nanostructures (CISN)
  • Computing and Information Services Newsletter (CISN)
  • Caribbean Information Sharing Network (CISN)
  • Cable Integrated Services Network (CISN)
  • Cal Independent Scholars Network (California) (CISN)
  • Communications Information, Systems, & Network(s) (CISN)
  • CISN