Alexander Yevgenyevich Volkov is a Russian professional mixed martial artist. He currently competes in the Heavyweight division in the Ultimate Fighting Championship (UFC). A professional MMA competitor since 2009, Volkov previously competed for the M-1 Global promotion, as well as Bellator MMA. He is a former heavyweight champion in both promotions. As of May 14, 2024, he is #5 in the UFC heavyweight rankings.

M-1 Global (Mixfight-1) or MMA-1 is a mixed martial arts promotion based in St. Petersburg, Russia which organizes between 10 and 20 competitions per year.