SQ, Sq, or sq may stand for:

Psychology

* Social intelligence quotient, a statistical abstraction of social intelligence * Systemizing quotient, a measure of a person's neurological tendency to systemize

Science and technology

SQ (program) SQ (''squeeze'') is a computer program, devised by Richard (Dick) Greenlaw circa 1981, which was used in the early 1980s on both DOS and CP/M computer systems to compress files so they use less space. Files compressed by SQ are identified by chang ...

, a program for compressing files on MS-DOS and CP/M * Sound quality, the characteristics of the output of a preamp, amp or sound system * Stereo quadraphonic, a matrix quadraphonic gramophone record format developed by CBS

Other

* ''

Shakespeare Quarterly ''Shakespeare Quarterly'' is a peer-reviewed academic journal established in 1950 by the Shakespeare Association of America. It is now under the auspices of the Folger Shakespeare Library. Along with book and performance criticism, ''Shakespeare Qu ...

'', a quarterly academic journal on the works of William Shakespeare *

Albanian language Albanian ( endonym: or ) is an Indo-European language and an independent branch of that family of languages. It is spoken by the Albanians in the Balkans and by the Albanian diaspora, which is generally concentrated in the Americas, Europ ...

(ISO 639-1 language code sq) *

Singapore Airlines Singapore Airlines (abbreviation: SIA) is the flag carrier airline of the Republic of Singapore with its Airline hub, hub located at Singapore Changi Airport. The airline is notable for highlighting the Singapore Girl as its central figure in ...

(IATA airline designator SQ) * ''

Space Quest ''Space Quest'' is a series of six comic science fiction adventure games released between 1986 and 1995. The games follow the adventures of a hopeless janitor named Roger Wilco, who campaigns through the galaxy for "truth, justice and really cl ...

'', a series of adventure games by Sierra Entertainment * Square, a type of measure of area, such as square foot (sq ft) * Block, Inc., financial services company (NYSE stock ticker SQ) * '' Sûreté du Québec'', the Quebec police force * An organization from the

Infinity Ring The ''Infinity Ring'' is a series of young adult science fiction adventure novels written by multiple authors, including James Dashner, Lisa McMann, Matt de la Peña, Matthew J. Kirby, and Jennifer A. Nielsen, in a similar fashion to ''The 39 Cl ...

book series *''SQ'', a short story by Ursula Le Guin *

Subcutaneous injection Subcutaneous administration is the insertion of medications beneath the skin either by injection or infusion. A subcutaneous injection is administered as a bolus into the subcutis, the layer of skin directly below the dermis and epidermis, ...

, in medicine {{disambiguation