Compositor may refer to:
Compositor (typesetting), a person or machine which arranged movable type for printing Paige Compositor, a device developed to replace manual compositors, which was a commercial failure Compositing software, used in film post-production for compositing, special effects, and color correction Compositing window manager, a software process which composites off-screen buffers for each open window to create a screen image Quartz Compositor, the display server and window manager in macOS Wayland compositor, any computer display server compatible with the Wayland protocol
See also Composer, a person who writes music Compositing, the process or technique of combining visual elements from separate sources into single images