Witold Eugeniusz Zawadowski (23 February 1888 in Skobełka near Horochow, Volhynia – 12 August 1980 in Warsaw) was a Polish radiologist, one of the pioneer of the Polish radiology. He was a brother of Jan Wacław.Zawadowski was a professor of the University of Warsaw (since 1946), professor of the Medical University of Warsaw (since 1950), member of the Polish Academy of Learning (since 1948), member of the Polish Academy of Sciences (since 1952) and national radiology consultant.