QM may refer to:

Businesses and organizations

  • QM Productions, a TV production company founded by Quinn Martin
  • Air Malawi (IATA airline designator QM)
  • Queen Margaret Union, a students' union at the University of Glasgow
  • Queen Mary University of London, a public research university
  • Queen Mary's Grammar School, a selective boys secondary school in Walsall
  • Queen Mary Hospital (Hong Kong), Pokfulam, Hong Kong Island
  • Queensland Museum, Australia

Science, technology, and mathematics

Computing

  • OpenQM, referred to as 'QM', a commercial multi-value database system
  • Quine-McCluskey algorithm, for minimizing two-level logic

Other uses in science, technology, and mathematics

  • Quadratic mean, in mathematics
  • Quantum mechanics, in physics
  • Quantitative methods, or quantitative research
  • ATCvet code QM Musculo-skeletal system, a section of the Anatomical Therapeutic Chemical Classification System for veterinary medicinal products
  • Quettametre or quettameter (Qm), the largest SI unit of length equal to 10<sup>30</sup> metres, greater than the spherical circumference of the observable universe

Other uses

  • Qualified Mortgage, in finance
  • Quality management, in business
  • Quartermaster, a military or naval role, often related to supply and provisioning
  • , a Cunard ocean liner
  • Quizmania, an ITV British television quiz game show