QSA
# QSA

QSA may refer to:

* Qt Script for Applications, a scripting engine
* Quaker Social Action
* Qualified Security Assessor, a certification by the Payment Card Industry (PCI) Security Standards Council
* Quantification Settlement Agreement, a water distribution plan
* Queens of the Stone Age, a band
* Queen's Scout Award
* Queen's South Africa Medal for service in the Boer War
* Queensland State Archives
* Queer-straight alliance
