Hartwig Schierbaum (born 26 May 1954), better known by his stage name Marian Gold, is the lead singer of the German synthpop group Alphaville, and has also recorded as a solo artist.

Born in Herford, West Germany, Gold became part of the Berlin art collective the Nelson Community, where he formed the band Chinchilla Green in the late 1970s, which also included future Alphaville colleague Bernhard Lloyd. In 1982, he joined Lloyd and Frank Mertens in the band Forever Young, which soon became Alphaville. He sang lead vocals on Alphaville's 1980s pop singles, including "Forever Young", "Big in Japan", "Sounds Like a Melody", and "Dance with Me".