Marcel Wüst (born 6 August 1967) is a German former road bicycle racer.
He won stages in all of the three Grand Tours; twelve stages in the Vuelta a España, one stage in the Tour de France and a stage in the Giro d'Italia.
In 2000, a crash left him without sight in one eye and prematurely ended his professional career.
In 2002 and 2003, Wüst worked as a team manager for Team Coast.
He also had a career as an analyst in broadcasting until 2008.