Oskar Piechota (born January 24, 1990) is a Polish mixed martial artist who formerly competed in the Middleweight division of the Ultimate Fighting Championship.

Piechota was born in Gdańsk, Poland and has started training in Brazilian Jiu-Jitsu from a young age and transitioned to mixed martial arts when he turned twenty-one.

[2] He amassed a record of 9-0-1 period signed by UFC[3] and won the Cage Warriors middleweight championship over Jason Radcliffe in 32 seconds on June 24, 2017 in England.

[4] Piechota made his promotional debut on October 21, 2017 at UFC Fight Night: Cerrone vs. Till against Jonathan Wilson.

[17] Piechota received a 22-month suspension after testing positive for growth hormone-releasing peptide 2 (GHRP-2 or pralmorelin) and GHRP-2 (1-3) free acid, a metabolite of GHRP-2 in a sample collected on September 25, 2020.