Quartz is a common mineral.

Quartz may also refer to:

Places Quartz, California, former settlement in Butte County Quartz Hill, California, an unincorporated community in Los Angeles County

People Jakie Quartz, French singer

Arts, entertainment, and media Music Quartz (duo), dance music production team Quartz (British band), heavy metal band Qwartz Electronic Music Awards

Other arts, entertainment, and media Quartz (publication), a privately held global business news website Rose Quartz, character from the animated television series Steven Universe

Computing Quartz (graphics layer), the graphics-rendering technology used in Mac OS X Quartz (scheduler), a Java Enterprise Job Scheduler Microsoft DirectShow, code name Quartz Microsoft Expression Web, code name Quartz Quartz 2D, an API on Mac OS X Quartz Compositor, the display server on Mac OS X UIQ, formerly User Interface Quartz, a discontinued software platform

Technology Quartz (electronics), an electronic component Engineered quartz, a synthetic material used for countertops and the like, called "quartz" in the trade Quartz clock, a clock or watch using an oscillator regulated by a quartz crystal