Karolina Kowalkiewicz is a Polish mixed martial artist. She currently fights for the Ultimate Fighting Championship (UFC). She is the former KSW Women's Flyweight Champion. As of May 7, 2024, she is #15 in the UFC women's strawweight 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.