| Leonardo De Benedetti | |
| Birth Date: | 15 September 1898 |
| Birth Place: | Turin, Italy |
| Death Place: | Turin, Italy |
| Occupation: | Writer, medical doctor |
| Language: | Italian |
| Nationality: | Italian |
| Education: | Degree in medicine |
| Alma Mater: | University of Turin |
| Period: | 1947–61 |
| Genre: | Autobiography, essay |
| Spouse: | Jolanda De Benedetti, born Jolanda De Benedetti |
Leonardo de Benedetti (15 September 1898 – 16 October 1983) was an Italian Jew and physician who was interned in the Auschwitz concentration camp from February 1944 until its liberation in January 1945. After the end of the Second World War he and fellow inmate Primo Levi wrote Auschwitz Report, a factual report of conditions inside the camp.