Witold Eugeniusz Zawadowski (23 February 1888 in Skobelka near Horochow, Volhynia – 12 August 1980 in Warsaw) was a Polish radiologist, one of the pioneer of Polish radiology.
He was a brother of Jan Waclaw.
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.
Since 1930 he was an editor of Polski Przeglad Radiologiczny (since 1955 under name Polski Przeglad Radiologii i Medycyny Nuklearnej).
His main area of study was roentgen-diagnostics of the chest organs.