Mikhail Maratovich Fridman (born 21 April 1964) is a Russian business magnate, investor and philanthropist. He also holds Ukrainian and Israeli citizenship. He co-founded Alfa-Group, a multinational Russian conglomerate. According to Forbes, he is the second richest Russian as of 2017. In May 2017, he was also ranked as Russia's most important businessman by bne IntelliNews.

Fridman has been an active supporter of Jewish and Russian cultural initiatives in Europe and the world. In 1996 Fridman was one of the founders of the Russian Jewish Congress, now sitting on the RJC Presidium. He is vice president of the Russian Jewish Congress and head of its cultural committee.

Fridman is the largest shareholder of Alfa Group, an investment company that owns stakes in Alfa Bank, Russia's second biggest bank, and X5, a Russian food retailer. Through Luxembourg-based LetterOne he owns stakes in German oil and gas producer DEA and the international mobile-phone operator Veon.