QSR
# QSR

QSR may refer to:

* QSR International, a qualitative research software developer based in Melbourne, Australia
* QSR, a standardized Q code initially developed for commercial radiotelegraph communication
* Quick service restaurant (also fast food restaurant), a specific type of restaurant that serves fast food cuisine and has minimal table service
* Restaurant Brands International (stock symbol: QSR), a Canadian multinational fast food holding company
* Salerno Costa d'Amalfi Airport (IATA code: QSR), an airport in southern Italy, near to Salerno
