Katia Pietrosanti (born June 22, 1979, Como) is an Italian rhythmic gymnast. She is the 1993 European Junior silver medalist in clubs. Pietrosanti competed for Italy in the rhythmic gymnastics individual all-around competition at the 1996 Summer Olympics in Atlanta. There she was 20th in the qualification round and advanced to the semifinal. In the semifinal she was 14th and did not advance to the final of 10 competitors.