Tania Di Mario 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.

The Italy women's national water polo team represents Italy in international women's water polo competitions and friendly matches. The team is one of the leading teams in Europe since the mid-1990s, claiming the title at the 2004 Summer Olympics in Athens, Greece. The squad is nicknamed the Setterosa.