Krzysztof Głowacki (born 31 July 1986) is a Polish professional boxer who has held the WBO junior-heavyweight title twice; from 2015 to 2016 and again in 2019 (elevated from interim champion). As an amateur, he won a bronze medal in the super-heavyweight division at the 2008 EU Championships. As of June 2020, he is ranked as the world's fourth best active cruiserweight by The Ring magazine and third by the Transnational Boxing Rankings Board and BoxRec.