QM

QM may refer to:

* Quizmania, the ITV's Quiz game show
* Quartermaster
* Queen Mother, in a monarchy
*, a Cunard ocean liner
* Quantum mechanics, in physics
* Quality management
* Quantitative Methods
* Queensland Museum collection code
* Queen Margaret Union, at the University of Glasgow
* Air Malawi IATA airline designator
* OpenQM, referred to as 'QM', a commercial multi-value database system
* Quest Master in the fantasy world of Neverwinter Nights
* Quadratic Mean, in mathematics