Maxim Leonidov (February 13, 1962) was celebrity contestant, who appeared on an episode of Kto khochet stat' millionerom? on July 17, 2010, answered the 12th question wrong and won 100,000 rubles.
In risk format on December 10, 2011 he appeared with Andrey Smolyakov. They have chosen 400,000 rubles as minimum amount, but answered the 12th question wrong, lost 200,000 rubles and went home nothing. On January 27, 2013 Maxim appeared with Nikita Vysotsky, with who have chosen 100,000 rubles as minimum amount, but answered the 14th (penultimate) question wrong, lost 700,000 rubles and won them. On September 27, 2014 he appeared with Valdis Pelsh. They have chosen 800,000 rubles as minimum amount, but answered the 12th question wrong, lost 200,000 rubles and walked away nothing. On January 2, 2018 he appeared with Zara, answered the 12th question wrong and won 200,000 rubles (minimum amount).