QSC
# QSC

QSC may refer to:

## Corporations

* QSC AG, a German telecommunications and DSL provider
* QSC Audio Products, a global amplifier and loudspeaker manufacturer based in California
* Queens Surface Corporation, a former bus company in New York City

## Colleges

* Queen's School of Computing, a department of Queen's University in Kingston, Ontario, Canada
* Quirino State College, former name of Quirino State University in Quirino, Philippines

## Other uses

* QSC, the IATA airport code for São Carlos Airport in Brazil
* QSC, a radiotelegraphic Q code meaning "are you a cargo vessel" when posed as a question
* qSc, a portion of the equation defining the pitching moment coefficient of an airfoil
* Quebec Superior Court, the trial-level superior court of the province of Quebec, Canada
* Queens Sports Club, a stadium in Bulawayo, Zimbabwe
* QSC&V (Quality, Service, Cleanliness & Value), a quality benchmark used by McDonald's Corporation
* QSC supercomputer (2004–2007), a supercomputer at Los Alamos National Laboratory which replaced Blue Mountain (supercomputer)
