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'', a quarterly academic journal on the works of William Shakespeare
*
Albanian language (ISO 639-1 language code sq)
*
Singapore Airlines (IATA airline designator SQ)
* ''
Space Quest'', 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 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