Kozłowski ([kɔzˈwɔfski]; feminine: Kozłowska, plural: Kozłowscy) is the 12th most common surname in Poland (76,657 people in 2009). Notable people with the surname include:
Aleksandra Ola Kozłowska, Polish professional ballroom dancer
Brian Kozlowski, former American football tight end
David Kozlowski, American professional tennis player and television personality
Dennis Kozlowski, American businessman, former CEO of Tyco International
Edward Kozłowski, a Polish-American Catholic Priest, and the first Polish Bishop, in the Roman Catholic Archdiocese of Milwaukee.
Glenda Kozlowski, Brazilian journalist
Janusz Krzysztof Kozłowski, Polish anthropologist
Joanna Kozłowska, Polish opera singer
Kacper Kozłowski, Polish sprinter
Leon Kozlowski, Polish archaeologist and politician who served as Prime Minister of Poland from 1934 to 1935
Linda Kozlowski, American actress
Maciej Kozlowski, Polish actor
Roman Kozłowski, Polish palaeontologist
Steve Kozlowski, American psychologist
Voivodeships
Kozłowski, 2nd in Warmia-Masuria (7,764)
Kozłowski, 2nd in Podlaskie (5,560)
