Jeff Schalk (born February 6, 1974, in Santa Cruz, California) is a retired professional mountain bike racer.

He moved to Washington, D.C., to pursue racing full-time with the Trek Volkswagen East Coast factory team.

Schalk's major career breakthrough occurred in 2007 when he won the Shenandoah 100, establishing himself as a primary name in the domestic MTB endurance scene.

Schalk's sponsors for the majority of his career included: Trek Bicycle Corporation, Bontrager, Fox Racing Shox, Shimano, PowerBar, Dumonde Tech Racing Oils, and ESI Grips.

He lives in Fort Collins, Colorado, and works for JVA Consulting Engineers.