| Acronym | Definition |
|---|
| CSN➣Crosby, Stills, and Nash (band) |
| CSN➣China Southern Airlines |
| CSN➣Cancer Survivors Network |
| CSN➣College of Southern Nevada (various locations) |
| CSN➣Community School of Naples (Florida) |
| CSN➣Clemson (Amtrak stations code; Clemson, SC) |
| CSN➣Comcast SportsNet (TV channel) |
| CSN➣Confédération des Syndicats Nationaux (French) |
| CSN➣Centre du Service National (French: National Service Center) |
| CSN➣Consejo de Seguridad Nuclear (Spanish: Nuclear Safety Council) |
| CSN➣Companhia Siderúrgica Nacional (Brazil) |
| CSN➣Centrala studiestödsnämnden (Swedish: state education grant and loan program) |
| CSN➣Centre de Sécurité des Navires (French: Ship Safety Center) |
| CSN➣Canadian Stamp News |
| CSN➣Convention sur la Sûreté Nucléaire (French: Convention on Nuclear Safety) |
| CSN➣Chick Singer Night (female songfest) |
| CSN➣Customer Service Number |
| CSN➣Channel Services Network |
| CSN➣Client Server Network |
| CSN➣Circuit Switching Network |
| CSN➣CS-Nation (Counter-Strike clan) |
| CSN➣Comunidad Sudamericana de Naciones (Spanish: South American Community of Nations) |
| CSN➣Children with Special Needs |
| CSN➣Coastal Surveillance Network (India) |
| CSN➣Confederate States Navy |
| CSN➣Children's Safety Network |
| CSN➣Card Select Number |
| CSN➣Calvary Satellite Network |
| CSN➣Corporate Social Network |
| CSN➣Cable Shopping Network |
| CSN➣Canadian Stroke Network |
| CSN➣Customer Service Number (US IRS) |
| CSN➣Community Services Network |
| CSN➣Community Safety Network (various locations) |
| CSN➣Certified School Nurse |
| CSN➣Command Sequence Number (programming) |
| CSN➣Circuit-Switched Network |
| CSN➣Comité Stratégique pour le Numérique (French: Digital Strategy Committee) |
| CSN➣Citrix Solutions Network |
| CSN➣Club Subaquatique Narbonnais (French: Narbonne Underwater Club; Narbonne, France) |
| CSN➣Canadian Syringomyelia Network |
| CSN➣China Support Network (pro-democracy organization) |
| CSN➣Comunidade Sul-Americana de Nações (Portuguese: South American Community of Nations) |
| CSN➣Club Sportif Neuvillois (French sports club) |
| CSN➣Coopérant du Service National |
| CSN➣Client-Server Network |
| CSN➣Certified Sports Nutritionist |
| CSN➣Club Sonneurs Normand (French music school) |
| CSN➣Carson Station (Los Angeles County Sheriff's Department) |
| CSN➣Celebrity Scene News |
| CSN➣Civil Society Networks |
| CSN➣Club Subaquatique Nantais (French: Nantes Underwater Club; Nantes, France) |
| CSN➣Content Spooling Network (Baseline Unlimited, Inc.; article exchange network) |
| CSN➣Computer Systems/Networking (degree) |
| CSN➣Congregation of the Sisters of Nazareth |
| CSN➣Clearstar Security Network (internet locksmith forum) |
| CSN➣Concrete Syntax Notation (GSM) |
| CSN➣Channel Sequence Number |
| CSN➣Compact Service Node (Lucent) |
| CSN➣Clinical Support Nurse |
| CSN➣Catalog Sequence Number |
| CSN➣Contract Surgeon |
| CSN➣Colorado Soccer Net |
| CSN➣Czech State Norm |
| CSN➣Canada Stockwatch News |
| CSN➣Cropping Systems Network |
| CSN➣Control Symbol Number (government contracting) |
| CSN➣Contract Serial Number |
| CSN➣Circuit Symbol Number |
| CSN➣Cycle Since New (aviation) |
| CSN➣Contact Serial Number |
| CSN➣Control Serial Number (US Air Force) |
| CSN➣Community Staff Nurse |
| CSN➣Castle Nursing Homes |
| CSN➣Communications Service Node (Excel) |
| CSN➣Common Service Network (Sprint) |
| CSN➣Connecting the Soldier to the Network |
| CSN➣Custom Switched Network |
| CSN➣Configuration Sequence Number |
| CSN➣Chicago Software News |