Krzysztof Glowacki (born 31 July 1986) is a Polish professional boxer.
He held the WBO cruiserweight title from 2015 to 2016 and the interim title in 2018.
As an amateur, he won a bronze medal in the super-heavyweight division at the 2008 EU Championships.
As of November 2019, he is ranked as the world’s third best active cruiserweight by The Ring magazine and Transnational Boxing Rankings Board, and fourth by BoxRec.