QM may refer to:
QML (Qt Modeling Language) is a user interface markup language. It is a declarative language (similar to CSS and JSON) for designing user interface–centric applications.
Qmusic (previously written as Q-music) is a Dutch commercial radio station which has been broadcasting since August 31, 2005. The station is owned by the Belgian media company De Persgroep.
qmail is a mail transfer agent (MTA) that runs on Unix. It was written, starting December 1995, by Daniel J.
Qmusic (formerly Q-music) is a Flemish commercial radio station of media company Medialaan. In 2016, Qmusic is the biggest commercial radio station and the third largest radio station in Flanders.
The hybrid QM/MM (quantum mechanics/molecular mechanics) approach is a molecular simulation method that combines the strengths of the QM (accuracy) and MM (speed) approaches, thus allowing for the study of chemical processes in solution and in proteins.
Qmillion (born Keith Lewis, in the US), is a record producer, mix engineer, composer, and writer based in Los Angeles.
QMobile (Urdu:کیو موبائل) is a Karachi-based consumer electronics company which markets smartphones in Pakistan.
Qmodem was an MS-DOS shareware telecommunications program and terminal emulator. Qmodem was widely used to access bulletin boards in the 1980s and was well respected in the Bulletin Board System community.