Vyacheslav Mikhailovich Markhayev (Russian: Вячесла́в Миха́йлович Марха́ев; born June 1, 1955, Sharaldai, Bokhansky District, Irkutsk Oblast) is a Russian politician who is currently a member of parliament, a deputy of the State Duma since 2021, as he already served a member of the State Duma elected in 2011. He had served as the Senator from Irkutsk Oblast on executive authority from 2015 to 2020. He was the First Secretary of the Buryat Communist Party.