Giorgio Prodi (August 12, 1928, Scandiano, Italy – December 4, 1987) was an Italian medical scientist, oncologist and semiotician.
He studied medicine and chemistry in the University of Bologna. From 1958, he taught general pathology and experimental oncology. From 1973, he was the Director of the Institute of Cancerology.
He has published a series of books on philosophy of medicine and biology. Together with Thomas Sebeok and Thure von Uexküll, he has developed a semiotic approach in biology (biosemiotics) in his works of the 1970s and 1980s.
For his honour, there exists "Giorgio Prodi" Centre of Cancer Research in the University of Bologna.
His brother is Romano Prodi.