Varnish (disambiguation)

Varnish is a mixture used primarily to coat wood.

Varnish may also refer to:
 * Varnish (software), a reverse proxy and HTTP accelerator
 * Jessica Varnish, British track cyclist
 * Desert varnish, a coating found on exposed rock surfaces in arid environments
 * Fluoride varnish, applied to the tooth's surface in dentistry
 * Conformal coating, a type of PCB coating