Nikolay Alexandrovich Vtorov (Russian: Никола́й Алекса́ндрович Вто́ров; 27 April [O.S. 15 April] 1866 – 20 May 1918) was an industrialist from the Russian Empire. According to a 2006 Forbes study, which excluded the ruling House of Romanov, he held the title of Russia's wealthiest man on the eve of World War I, owning an estimated 60 million rubles in gold.