Daniel Omielańczuk is a Polish professional mixed martial artist and kickboxer currently competing in the heavyweight division of Konfrontacja Sztuk Walki (KSW). A professional MMA competitor since 2009, he has competed for the UFC, Absolute Championship Akhmat, and Konfrontacja Sztuk Walki. He is currently ranked #5 in the KSW heavyweight rankings.

Konfrontacja Sztuk Walki better known by its initials KSW, is widely considered to be the premiere mixed martial arts organization in Poland and one of the leading in Europe.