Roman Kozłowski (February 1, 1889 – May 2, 1977) was a Polish palaeontologist, best known for his work on graptolites.
Kozłowski was born in Włocławek. He was a member of the Polish Academy of Sciences and founder of Acta Palaeontologica Polonica. Kozłowski was awarded the Mary Clark Thompson Medal in 1958 from the National Academy of Sciences[1] and the Wollaston Medal in 1961.