LSQ may refer to:
* ''Les Stewart Quartet'', a predecessor of the band
The Quarrymen
* ''Load-Store Queue'', a structure used by some computer CPUs'
memory disambiguation mechanisms
*
Agua Santa Airport (IATA airport code: LSQ), Los Ángeles, Chile
*
Quebec Sign Language ('), a sign language used in Canada
* ''Lone Scout Quill'', a grade of scouting of the
Lone Scouts of America
Lone Scouts of America (LSA) was a Scouting organization for American boys that operated from 1915 until it merged with the Boy Scouts of America (BSA) in 1924. The LSA was founded by W. D. Boyce, publisher of the '' Chicago Ledger'' and the '' ...
*
Least squares
The method of least squares is a standard approach in regression analysis to approximate the solution of overdetermined systems (sets of equations in which there are more equations than unknowns) by minimizing the sum of the squares of the res ...
, a technique of equation fitting
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