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)
- 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 Sn
- n-sphere or S
- sn (elliptic function), one of Jacobi's elliptic functions
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
- Sthene, 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
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