The abbreviation QS stands for:

  • Quality assurance in production and services
  • QS mark the "QS Qualität und Sicherheit GmbH ", an organization of the food industry
  • Quadratic sieve, an algorithm for factoring large natural numbers
  • Quantum satis ( Latin for " as much as it uses "), a quantity in medicine and food production
  • Québec solidaire, a political party in Canada
  • Of mercury; see Torr
  • Queen's Scout, the highest award of the Boy Scouts youth in the Commonwealth
  • Quicksort, a sorting algorithm
  • Quorum sensing, the ability of individual learning to recognize their population density
  • Smart Wings (according to the IATA airline code), an airline based in Prague (Czech Republic)
  • Disambiguation
  • Abbreviation