- DSN stands for Data Source Name (database source)
- DSN stands for Deep Space Network
- DSN stands for Dependable Systems and Networks
- DSN stands for Distributed Sensor Networks
- DSN stands for Digital Signal
- DSN stands for Deep Space Nine (Star Trek)
- DSN stands for Direct Selling News (Texas)
- DSN stands for Drug Store News (publication)
- DSN stands for Data Set Name
- DSN stands for Defense Switched Network (formerly AUTOVON)
- DSN stands for Delivery Status Notification (SMTP)
- DSN stands for Diabetes Specialist Nurse
- DSN stands for Distributed Systems Network
- DSN stands for Device Serial Number
- DSN stands for Diplôme Supérieur de Notariat (French notary diploma)
- DSN stands for Decker School of Nursing (Binghamton University; New York)
- DSN stands for Domain Server Name
- DSN stands for Document Serial Number
- DSN stands for Don’t Stop Now
- DSN stands for Defense Secure Network
- DSN stands for Digital Subscriber Network
- DSN stands for Dialysis Surveillance Network
- DSN stands for Dieppe Scène Nationale (French theatre group)
- DSN stands for Digital Switched Network
- DSN stands for Direction du Service National (French: Direction of the National Service)
- DSN stands for Direct Shopping Network
- DSN stands for Doctor of Science in Nursing
- DSN stands for Digital Secure Network
- DSN stands for Digital Sports Network
- DSN stands for Defense System Network
- DSN stands for Drôme Service Nettoyage (French: Drome Cleaning Service)
- DSN stands for Delta Scuti Network
- DSN stands for Division Principale de la Sécurité des Installations Nucléaires (French: Main Division of Safety of Nuclear Installations; Switzerland)