Synthesizer (disambiguation)

A synthesizer or synthesiser is a collection of electronic devices that modify or manipulate an electronically generated musical tone or sound source.

Synthesizer or synthesiser may also refer to:
 * Frequency synthesizer, an electronic system for generating any of a range of frequencies from a single fixed timebase or oscillator
 * Video synthesizer, a device that electronically creates a video signal
 * Speech synthesizer, an electronic device or computer program that produces human-like speech
 * Synthesizer, a 2007 album by Information Society
 * "Synthesizer", a 1998 song by Outkast from Aquemini
 * "Synthesizer", a 2003 song by Electric Six from Fire
 * "Synthesizer", a 2010 song by Mike Posner from 31 Minutes to Takeoff