Denis Nikolayevich Menshov (often mistakenly romanized as Menchov, Денис Николаевич Меньшов; born 25 January 1978) is a former professional Russian road bicycle racer, who rode as a professional between 2000 and 2013. He was best known as a general classification rider, a climber and an accomplished time trialist. In 2005 he finished second in the Vuelta a España and in 2007 he finished as the champion. He also won the centenary Giro d'Italia in 2009 and finished second in the Tour de France in 2010 becoming the first Russian to do so. He was later disqualified from that Tour de France, as well as the 2009 and 2012 editions, owing to adverse biological passport findings.