SSN

SSN is a three-letter abbreviation which may refer to:

• Scoil an Spioraid Naoimh A primary school in Cork City Ireland
• 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
• Streaming Sports Network, an online sports network dedicated to University Sports, based in Canada
• Servizio Sanitario Nazionale, Italy's national health service
• Setanta Sports News, a 24-hour sports news network in the United Kingdom
• SIM Serial Number, used to identify a mobile phone's SIM card
• Simultaneous Switching Noise, In Digital Electronics: an important aspect of power and signal integrity
• Sky Sports News, a 24-hour sports news network in the United Kingdom
• Social Security number, an identification number used by the U.S. Social Security Administration.
• Socialist Solidarity Network, a Trotskyist group in the UK
• Species Survival Network: a coalition of conservation organizations committed to the enforcement and enhancement of CITES, the Convention on International Trade in Endangered Species
• SSN (hull classification symbol), the United States Navy's hull classification symbol meaning "fast attack submarine," one that is propelled by nuclear energy
• 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
• SSN College of Engineering, an engineering institution located in the suburbs of Chennai, Tamil Nadu, India
• Subsystem number, used in the Signaling Connection and Control Part of Signaling System #7 routing
• Surgical Segment Navigator, a system for computer-assisted surgery
• The IATA code for Seoul Airbase
• SSN Servicio Sismológico Nacional, The Mexican National Seismological Service, UNAM, México.

See also

• SN
• SS (disambiguation)

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