Viktor Mikhailovich Chegin (Russian: Виктор Михайлович Чёгин; born 3 February 1962 in Bersenevka, Lyambirsky District) is a banned Russian racewalking coach. He was responsible for training all three athletes who swept the medals at the 2009 World Championships in Athletics: Olga Kaniskina, Valeriy Borchin and Sergey Kirdyapkin. His athletes Elena Lashmanova and Sergey Kirdyapkin won gold medals at the 2012 Summer Olympics, with Kaniskina earning a silver medal. Former and banned world record holders Lashmanova, Denis Nizhegorodov and Sergey Morozov are all coached by Chegin.
More than 20 of Chegin's trainees were disqualified for doping-related offenses between 2005 and 2015. As a result, he was banned for life from all sport-related activities on 17 February 2016. Historical results by Chegin-coached athletes continued to be disqualified into mid-2019.[1]