Marek Bujło (born October 10, 1993) is a Polish professional mixed martial artist. He currently competes in the Heavyweight division. Amateur career. Bujło competed in many competitions in Brazilian jiu-jitsu and would always rank high. The first of these tournaments came in 2019 in the Polish Cup. He would place 1st in the Absoluto weight class. He would also win a silver medal during the same tournament in the 99 kg category. The following year, he would compete in the IBJJF Championship in the Munich International Open. He would place third in the Super-Heavy category. A year later, he would compete in two competitions. The first of which, took place in Warsaw where he would obtain a bronze medal in the +99kg category. Later that year, he would compete in Konin where he would win 1st place in the +100.5kg category. In 2022, he would compete in three tournaments and four competitions. The first one being in Poznań where he would yet again place first in the +97.5kg category. The next one would be in Madrid during the Madrid International Open where he would place second in the Open Class and Ultra-Heavy categories. The last one took place in Gniezno where he once again won the gold medal in the +100.5kg category. 2023 would be his last year competing in tournaments. His last tournament took place in Warsaw where he would once again win a gold medal in the +100.5kg category. In 2025, he would make his return to tournaments, competeing in the 2025 Polish Championships in No Gi Jiu-jitsu. He would place second in the +97.5kg category for black belts. Professional career. Bujło would make his professional debut on November 13, 2021 for the promotion Strife MMA. He would face off against Grzegorz Joński whom he would beat via Submission in the first round. After a 3 year hiatus, Bujło would return to the cage on April 5, 2024 where he faced off against Igor Kurkowski whom he would beat via Submission in the first round. 7 months later, he would fight again where he faced off against Błażej Nagórski. Bujło would win the fight via Submission within the first minute of the first round raising his record to 3–0. 2 weeks later, he would return to the cage for promotion BFN MMA. He would face off against his most experienced opponent yet in Tomasz Kolcun. Bujło would assert his dominance and defeat Kolcun via TKO in the first round. After a half-year layoff, he would return to the cage against Brazil's Maicon Douglas. Bujło would win via TKO thirty seconds into the first round.