Tomasz Dietl (born 1 October 1950) is a Polish physicist, a professor and a head of Laboratory for Cryogenic and Spintronic Research at the Institute of Physics, Polish Academy of Sciences and professor of The Institute of Theoretical Physics at University of Warsaw.
His research interest includes semiconductors, spintronics and nanotechnology.
With over 20,000 citations he is considered one of the leading Polish physicists.