Tania Di Mario (born 4 May 1979) is an Italian female water polo forward, who won the gold medal with the Women's National Team at the 2004 Summer Olympics in Athens, Greece, and the silver at the 2016 Summer Olympics in Rio de Janeiro. She was also part of the Italian team at the 2008 and 2012 Summer Olympics. Di Mario is one of four female players who competed in water polo at four Olympics. She was the top goalscorer at the 2004 Olympics, with 14 goals. She ranks first on the all-time scoring list in Olympic history, with 47 goals.