SO

SO or so may refer to:

• Dangling so
• So (sentence closer)
• So (sentence opener)

Music

• So (album), an album by Peter Gabriel
• So (band), a duo from the 80s formed by two members of The Opposition
• "So" (Static-X song), a song by Static-X
• "Sō (New Love New World)", a song by Masaharu Fukuyama
• "So", a song by War from Why Can't We Be Friends?

Places

• So, Iran, a village in Isfahan Province, Iran
• So Phisai District, Bueng Kan Province, Thailand
• SO postcode area, the Southampton postcode area in the UK
• Somalia's ISO 3166-1 alpha-2 country code
  • .so, the top-level Internet domain of Somalia

Science and technology

• SO (complexity), second-order logic in descriptive complexity
• Shift Out, an ASCII control character in computing
• Small-outline integrated circuit
• Sulfur monoxide
• .so, a filename extension for a shared object (a dynamic library or module) in Unix and GNU/Linux
• Special orthogonal group, a subset of an orthogonal group
  • SO(4), a term used in mathematics, the group of rotations about a fixed point in four-dimensional Euclidean space
  • SO(5), a term used in mathematics, the special orthogonal group of degree 5 over the field R of real numbers
  • SO(8), a term used in mathematics, the special orthogonal group acting on eight-dimensional Euclidean space
• SO(10) (physics), a term used in particle physics, one of the grand unified theories is based on the SO(10) Lie group

Surnames

• Sō, the romanization of Japanese surnames 宗 and 宋
• Su (surname) (苏/蘇), a Chinese surname and a Korean surname (소) derived from it
• So (Korean name) (蘇 or 邵)

Airlines

• Sosoliso Airlines IATA airline designator
• Superior Aviation IATA airline designator
• Austrian Air Services former IATA airline designator
• Southern Airways former IATA airline designator

Other uses

• So (סוֹא), King of Egypt (2 Kings 17:4), usually identified with Osorkon IV
• So (dairy product), a type of dairy products made in ancient Japan
• So (kana), a Japanese kana
• Sao civilisation or So, an African civilisation and population that flourished from ca. the 6th century to ca. 15th century
• Sales order, an order received by a business from a customer
• Significant other
• Somali language's ISO 639 language code
• Southern Company's stock ticker symbol
• Strikeout
• Shell on, a form of presentation in shrimp marketing

See also

• Esso, an Exxon trade name, phonetic version of SO
• So and so (disambiguation)
• Só (disambiguation)
• S0 (disambiguation)