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 1030 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