SO
SO (and variations) may refer to:
- So (kana), the romanisation of the Japanese kana そ and ソ
- Superintending Officer in Construction
- Somalia ISO 3166-1 alpha-2 country code
- .so, the top-level Internet domain of Somalia
- Somali language, (ISO 639)
- Special Olympics, an international organization created to help people with intellectual disabilities develop self-confidence and social skills through sports training and competition
- Sao civilisation or So, an African civilisation that flourished from ca. the 6th century to ca. 15th century
- Sao region or So region, an obsolete name for a region in West Africa that approximately coincides with modern day Cameroon's Far North Region and Nigeria's Adamawa State
- Significant other
In business:
In entertainment:
- Sierra Oscar, the call sign used by police officers in ITV serial drama The Bill
- Star Ocean, a role-playing game series by Enix
In music:
In military and police:
- SO10, a former Specialist Operations designation for the Metropolitan Police's Crime Operations Group
- SO11 or Specialist Operations - Intelligence, a defunct branch of Scotland Yard
- SO19, the Specialist Firearms Command of Scotland Yard, now known as CO19
- Special ops, another name for special forces
In people:
- So (surname), a Chinese surname
- "s/o", short for "son of", frequently used by those without surnames in India, Sri Lanka, Singapore, Malaysia and elsewhere (where "a/l", the Malay translation, is used) - e.g. Muthusamy s/o Rajendran. "d/o" ("a/p" in Malaysia) is used for daughters
In places:
On the Internet:
- Stack Overflow, a question and answer website for computer programming
In science and technology:
- SO, SO alias for SOIC chip "package"
- .so, a filename extension for a shared object (a dynamic library or module) in Unix and GNU/Linux
- Science Olympiad, a primarily American elementary, middle school, or high school team competition that requires knowledge of various science topics and engineering ability
- Service cable/cord, Oil-resistant, a type of power cord
- Shift Out, an ASCII control character in computing
- 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
- Special orthogonal group, a subset of an orthogonal group
- StarOffice, a commercial package of office software produced by Sun Microsystems
- Sulfur monoxide, a compound with the chemical formula SO
- Service orientation, a set of design principles in software engineering
- Second-order logic
In sports:
In other:
See also