Korg M3 is a music workstation synthesizer manufactured by Korg Corporation and introduced at the NAMM Show in January 2007, being released four months later. The M3 is the successor of the famous Triton series. The name is based on the former M1, which was considered a revolutionary synth at the time.

A music workstation is an electronic musical instrument providing the facilities of:a sound module, a music sequencer and (usually) a musical keyboard.