QML is a user interface markup language, used with Qt Quick. QML or qml may also refer to: Computing Questions Markup Language, a markup language, the predecessor of QTI (IMS Question and Test Interoperability specification) QML, a Haskell like functional quantum programming language Quantum machine learning, the integration of quantum algorithms within machine learning programs .qml, file extension for stylesheets for the QGIS geographic information system Other uses Queen Mary University of London Queensland Medical Laboratory Quake Movie Library, a collection of Machinima Quantified modal logic, a modal logic originally developed by Ruth Barcan Marcus Qualified Manufacturer List, term used by the United States Department of Defense ISO 639:qml, an ISO 639-3 language code