SN

SN, Sn, sn, .sn, or s.n. may refer to:

Businesses and organizations

• Brussels Airlines (IATA code: SN)
  • Sabena
  • SN Brussels Airlines (IATA code: SN)
• Servant of the People (Sluha Narodu), political party in Ukraine
• Slovaks Forward (Slovaci Napred), a political party in Serbia
• Standards Norway, the main standards organization of Norway
• Stronnictwo Narodowe (National Party), a Polish political party
• Supreme Court of Poland (Sąd Najwyższy), the court of last resort for non-administrative matters

Places

• Senegal (ISO country code SN)
• Shaanxi, a province of China (Guobiao abbreviation SN)
• South Sulawesi, a province of Indonesia (ISO 3166-2:ID code)
• Saxony, a state of Germany
• SN postcode area, the UK postcode district containing Swindon and much of North Wiltshire

Religion

• Samyutta Nikaya or SN, a Buddhist scripture
• Sutta Nipata or Sn, a Buddhist scripture

Science, technology, and mathematics

Computing

• .sn, the country-code top level domain of Senegal
• sn, the surname attribute of the Lightweight Directory Access Protocol

Mathematics

• Symmetric group or S_n
• n-sphere or Sⁿ
• sn (elliptic function), one of Jacobi's elliptic functions
• Sigma notation, also known as a summation

Meteorology

• SN, METAR code for snow
• Spotter Network, a system for reporting location and severe weather observations of storm spotters and chasers

Other uses in science and technology

• Savin–Norov machine gun
• Space Network, a NASA relay satellite system
• Stereospecific numbering in compounds such as glycerophospholipids
• Sthène, an obsolete unit of force or thrust in the metre-tonne-second system of units
• Substantia nigra, a brain structure
• Supernova, a stellar explosion, in astronomy and cosmology
• Tin, symbol Sn, a chemical element

Other uses

• Seaman, abbreviation for the United States Navy rank
• Serial number, in component tracking
• Shona language (ISO 639 alpha-2 code "sn")
• Sine nomine or s.n., a Latin term for "without a name"
• Spanish Navy
• Abbreviation for Sportsnet, a Canadian sports specialty channel

See also

• S/n (disambiguation)
• ΣΝ or Sigma Nu, a fraternity