Aleksey Krupnyakov (born May 28, 1978) is a male freestyle wrestler from Kyrgyzstan. He is a two-time Olympyian, competing in both the 2004 Summer Olympics and 2008 Summer Olympics. Krupnyakov originally won his 2nd bronze medal at the Wrestling World Championships in 2010, but was stripped after testing positive for steroids. During his 2-year suspension he competed in MMA, compiling a record of 5-0, finishing all opponents in the 1st round. He returned to wrestling in 2013.