DSN may refer to:

Technology

Computing & Internet

Data set (IBM mainframe) In the context of IBM mainframe computers in the S/360 line, a data set (IBM preferred) or dataset is a computer file having a record-oriented file, record organization. Use of this term began with, e.g., DOS/360, OS/360, and is still used by th ...

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 distributed social network (more recently referred to as a federated social network) is a network wherein all participating social networking services can communicate with each other through a unified communication protocol. Users that reside ...

, a social network that is decentralised and distributed across multiple providers *

International Conference on Dependable Systems and Networks The International Conference on Dependable Systems and Networks (or DSN) is an annual conference on topics related to dependable computer systems and reliable networks. It typically features a number of coordinated tracks, including the main paper ...

* .DSN (design file), industry-standard import file format of Specctra-compatible autorouters

Military and Intelligence

Defense Switched Network The Defense Switched Network (DSN) is a primary information transfer network for the Defense Information Systems Network (DISN) of the United States Department of Defense. The DSN provides the worldwide non-secure voice, secure voice, data, fac ...

, a communications network operated by the United States Department of Defense *

DSN DASH The Gyrodyne QH-50 DASH (''Drone Anti-Submarine Helicopter'') is a small drone helicopter built by Gyrodyne Company of America for use as a long-range anti-submarine weapon on ships that would otherwise be too small to operate a full-sized hel ...

, 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 ('), an Austrian intelligence agency

Space

Deep Space Network The NASA Deep Space Network (DSN) is a worldwide Telecommunications network, network of spacecraft communication ground segment facilities, located in the United States (California), Spain (Madrid), and Australia (Canberra), that supports NASA' ...

, 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 Dansk Sprognævn ( "Danish Language Council") is the official regulatory body of the Danish language as a part of the Danish Ministry of Culture and is located in Bogense. It was established in 1955. The committee has three main objectives: * to f ...

, the Danish Language Council * ''Deutsche Schulen Nigeria'', a school system which includes the ''

Deutsche Schule Abuja German School Abuja () is a German international school located on the grounds of the Julius Berger Life Camp in Gwarinpa, Abuja, Nigeria. Its classes go from kindergarten to class 5. The construction company Julius Berger Nigeria PLC operates t ...

'' * IATA code for

Ordos Ejin Horo Airport Ordos Ejin Horo International Airport is an airport serving Ordos City in China's Inner Mongolia Autonomous Region. It is located in Ejin Horo Banner. First built in 1959 and called Dongsheng Airport, the airport ceased operation in 1983. I ...

, China *'' Star Trek: Deep Space Nine'', a science fiction television program * Doctor of Science in Nursing {{disambiguation