Alice Ricciardi von Platen (April 28, 1910 – February 23, 2008), born Alice von Platen-Hallermund, was an Italian physician and psychoanalyst of German descent. She is best known as the author of Nazism and euthanasia of the mentally ill in Germany (Die Tötung Geisteskranker in German), the world's first documentary about the mass killings of disabled and mentally ill persons by the Nazi regime. For a few years before World War II, and permanently beginning in 1967, she lived in Italy, where in the 1970s she was one of the first group analysts.