SO
SO or so may refer to: == Arts and entertainment == === Music === So (album), an album by Peter Gabriel So (band), a duo from the 1980s formed by two members of The Opposition S.O. (rapper) ==== Songs ==== "So" (Static-X song), 2004 single "Sō (New Love New World)", 2008 single by Masaharu Fukuyama "So", by War from Why Can't We Be Friends? (1975) "So", by Fates Warning from Disconnected (2000) === Other === "SO" (Sons of Anarchy), the third season premiere of the FX television series Sons of Anarchy So Television, a British TV production company == Transportation == Southern State Parkway, a highway in New York, United States Railway line prefix SO of Sotetsu lines Austrian Air Services (former IATA airline designator SO) Sosoliso Airlines (former IATA airline designator SO) Southern Airways (former IATA airline designator SO) Superior Aviation (IATA airline designator SO) == Language == So language (Democratic Republic of Congo), a Bantu language Sô language, a Katuic language (Mon-Khmer) of Laos and Thailand Swo language, a Bantu language of Cameroon Soo language, a Kuliak language of Uganda Somali language (ISO 639 language code "so") So (kana), a Japanese kana So (word), an English word == Places == So, Iran, a village in Isfahan Province, Iran Canton of Solothurn, Switzerland So Phisai District, Bueng Kan Province, Thailand SO postcode area, UK, the Southampton postcode area Somalia (ISO 3166-1 alpha-2 country code SO) South Otago, part of New Zealand's South Island == Science, technology, and mathematics == === Biology and medicine === Syndromic obesity, excess body fat occurring as part of a syndrome Sphincter of Oddi, a muscular valve of the duodenum === Computing === .so, the top-level Internet domain of Somalia .so, a filename extension for a shared object (a dynamic library or module) in Unix and Linux Shift Out, an ASCII control character Small-outline integrated circuit StackOverflow, a programming Q&A site Sony's mobile phones in Japan === Mathematics === SO (complexity), second-order logic in descriptive complexity Special orthogonal group, a subset of an orthogonal group SO(2), a term used in mathematics, the group of rotations about a fixed point in the Euclidean plane SO(3), a term used in mathematics, the group of rotations about a fixed point in three-dimensional Euclidean space SO(4), a term used in mathematics, the group of rotations about a fixed point in four-dimensional Euclidean space SO(8), a term used in mathematics, the special orthogonal group acting on eight-dimensional Euclidean space s o ( n ) {\displaystyle {\mathfrak {so}}(n)} , the corresponding special orthogonal Lie algebra === Physics and chemistry === Sulfur monoxide SO(10) (physics), a term used in particle physics, one of the grand unified theories is based on the SO(10) Lie group == Energy industry == Southern Company (stock symbol SO), a gas and electric utility holding company based in the Southern United States Esso, a trading name for ExxonMobil, short for Standard Oil == Names == Sō, a Japanese surname and given name Su (surname) (苏/蘇), a Chinese surname and a Korean surname (소) derived from it So (Korean name) (蘇 or 邵) So (Hebrew: סוֹא), King of Egypt, usually identified with Osorkon IV == Food == So (dairy product), a type of dairy product made in ancient Japan Shell on, a form of presentation in shrimp marketing == Other uses == Sales order, an order received by a business from a customer Sao civilisation or So, an African civilisation and population that flourished from ca.