SN

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

Air travel

• Brussels Airlines's IATA code
  • Sabena's IATA code
  • SN Brussels Airlines's IATA code

Buddhist scriptures

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

Others

• Tin, a metallic element with chemical symbol Sn
• Sthene, an obsolete unit of force or thrust in the metre-tonne-second system of units
• Symmetric group or S_n
• n-sphere or Sⁿ
• sn, one of Jacobi's elliptic functions
• Serial number
• Space Network, a NASA's relay satellite system
• Spotter Network, a system for reporting location and severe weather observations of storm spotters and chasers
• Substantia nigra, a brain structure
• Supernova
• SN postcode area, the UK postcode district containing Swindon and much of North Wiltshire
• Standards Norway, the main standards organization of Norway
• Senegal's ISO country code
  • .sn, the ccTLD of Senegal
• Stronnictwo Narodowe (National Party), a Polish political party
• Shona language's ISO 639 alpha-2 code
• Sine nomine or s.n., a Latin term for "without a name"
• sn, the surname attribute of the Lightweight Directory Access Protocol
• SN machine gun

See also

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