SSN

SSN may refer to:

Broadcasting

 * Setanta Sports News, a former 24-hour sports news network in the United Kingdom
 * Sky Sports News, a 24-hour sports news network in the United Kingdom
 * Soul of the South Network, an African-American oriented TV Network that launched May 28, 2013
 * Scoil an Spioraid Naoimh, a primary school in Cork City Ireland
 * Scholars Strategy Network, an association of academics and researchers
 * SSN College of Engineering, an engineering institution located in the suburbs of Chennai, Tamil Nadu, India

Entertainment

 * Tom Clancy's SSN, a 1996 game by Clancy Interactive Entertainment describing the operations of a U.S. Navy attack submarine
 * SSN (novel), a 1996 novel by Tom Clancy based upon the game by the same name

Government

 * Servizio Sanitario Nazionale, Italy's national health service
 * Social Security number, an identification number used by the U.S. Social Security Administration
 * SSN (hull classification symbol), the United States Navy's hull classification symbol for a fast attack submarine, one that is propelled by nuclear energy
 * Servicio Sismológico Nacional, the Mexican National Seismological Service, UNAM, Mexico
 * South Sudan
 * Superintendencia de Seguros de la Nación, a government agency of Argentina overseeing insurance companies

Technology

 * Secure Service Network, a network behind a firewall or IPS containing systems which can be accessed from both the internal and external networks, but cannot reach the internal network
 * Semantic Sensor Network, an ontology describing sensors and observations, and related concepts
 * SIM Serial Number, used to identify a mobile phone's SIM card
 * Subsystem number, used in the Signaling Connection and Control Part of Signaling System #7 routing
 * Surgical Segment Navigator, a system for computer-assisted surgery

Other

 * Space Surveillance Network, a multinational cooperative effort to monitor space activity and track earth-orbiting objects and satellites
 * Species Survival Network, a coalition of conservation organizations
 * The IATA code for Seoul Airbase
 * Stoom Stichting Nederland, a Dutch Railway Museum
 * The Seed Savers' Network, an international not-for-profit seed-saving organisation founded in Australia.
 * Socialist Solidarity Network, a Trotskyist group in the UK
 * Superior salivatory nucleus, a cranial nerve nucleus