DSN

DSN may refer to:

Technology

Computing & Internet

• Data set (IBM mainframe) Name, the name of a computer file having a record organization
• Data source name, a data structure used to describe a connection to a data source
• Delivery Status Notification message, an automated electronic mail message about a delivery problem
• Distributed social network, a social network that is decentralised and distributed across multiple providers
• International Conference on Dependable Systems and Networks
• .DSN (design file), industry-standard import file format of Specctra-compatible autorouters

Military and Intelligence

• 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
• Directorate State Protection and Intelligence Service (Austrian German: Direktion Staatsschutz und Nachrichtendienst), an Austrian intelligence agency

Space

• Deep Space Network, a communication network

Media and Entertainment

• Direct Sports Network, a sports centered digital media company, based in Irvine, California
• Daily Silksong News, a YouTube channel covering news about Hollow Knight: Silksong

Others

• Dansk Sprognævn, the Danish Language Council
• Deutsche Schulen Nigeria, a school system which includes the Deutsche Schule Abuja
• IATA code for Ordos Ejin Horo Airport, China
• Star Trek: Deep Space Nine, a science fiction television program
• Doctor of Science in Nursing