Andrey Yuriyevich Demanov () (born 15 July 1985) is a Russian weightlifter. He competed for Russia at the 2012 Summer Olympics, originally finishing fourth in the men's middleheavyweight category (-94 kg).
On 21 November 2016 the IOC disqualified him from the 2012 Olympic Games and struck his results from the record for failing a drugs test in a re-analysis of his doping sample from 2012.