Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym QSR is...

QSR is

Qualitative Solutions And Research
Quick Service Restaurants

More Meanings For QSR:

Quality System Review
Qualitative Solutions And Research
Quick Service Restaurants
Quick Service Restaurant
Quick Secretarial Response
quality system record
quality system representative
quality system regulation
Quarterly Software Release
Quebec Southern Railway

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