Steven Neil Turner (born March 28, 1965) is an American guitarist known for his work with Green River and Mudhoney.

The lineup included future Pearl Jam member Stone Gossard.

Turner was also the first guitarist in Green River which again featured Arm and Gossard, and also acquired the services of Jeff Ament (later Pearl Jam) on bass guitar.

[citation needed] Arm and Turner started Mudhoney on New Year's Day, 1988.

Turner also has side projects such as The Thrown Ups, Monkeywrench, and played bass for a short time with legendary Seattle band The Fall-Outs.