Mairbek Vakhaevich Taisumov is a Russian-born Austrian mixed martial artist. He fights in the lightweight division. A professional mixed martial artist since 2007, Taisumov has previously competed in the Ultimate Fighting Championship and M-1 Global.

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.