SN

SN may refer to:

• Senegal's ISO country code
• Serial number
• SportsNation (TV Show), a sports-related television program
• Brussels Airlines's IATA code
• Sabena, the airline company that was the precursor of Brussels Airlines
• Snow METAR
• Space Network, a NASA's relay satellite system
• Standards Norway (Standard Norge), the main standards body of Norway
• SN machine gun
• Stronnictwo Narodowe, a Polish political party
• Sodium nitrite
• a designation used for supernova discoveries, with SNR for supernova remnants
• Sigma Nu, a fraternity
• Signal-to-noise ratio
• Surname, an attribute of the LDAP protocol family
• Samyutta Nikaya, one of the five oldest books in Buddhist literature
• Sutta Nipata, a popular book of the Buddhist Pāli canon's Khuddaka Nikaya
• SN postcode area, the UK postcode district containing Swindon and much of North Wiltshire
• Super Nintendo Entertainment System
• Social Network
• Substantia nigra
• School nurse
• Supernanny

Sn or sn may refer to:

• Tin, the metallic element (from Latin for Tin: stannum)
• One of Jacobi's elliptic functions
• sine nomine, a Latin term for "without a name", used in bibliographical catalogs to indicate publisher, etc. is unknown
• Shona language ISO 639 alpha-2 code
• Sⁿ, the n-sphere
• S_n, a symmetric group
• .sn, the ccTLD of Senegal
• screenname, a term used in instant messaging

See also

• S/n (disambiguation)