Tania Cagnotto (Italian pronunciation: [ˈtaːnja kaɲˈɲɔtto]; born 15 May 1985) is a retired Italian diver. She is the first Italian female diver to win a medal in a World Championship. A member of the sporting federation Sport Federation Federazione Italiana Nuoto, she is sponsored by the GN Fiamme Gialle – Bolzano Nuoto.
She was born in Bolzano, the daughter of Giorgio Cagnotto, winner of four diving Olympic medals between the 1970s and 1980s, and Carmen Casteiner, another Italian diver.
She won her first medal at age 14. Since then, she has won several other championships in Europe and the USA. A participant in the 2004 Summer Olympics, in the European Tournament in Madrid, she was the gold medallist in the 10-meter platform event and won a bronze medal for her performance in the 3-meter springboard competition. After a disappointing performance in the 10-meter platform final round at the Montreal 2005 World Championships, she won the bronze medal in the 3-meter springboard event. Cagnotto won a third consecutive bronze medal in the 3-meter springboard at the Rome 2009 World Championships, after a 4th place in the 1-meter springboard event. Together with Francesca Dallapè, she also won a silver medal in the 3-meter springboard synchronized event.
Cagnotto competed in 2013 World Championships in Barcelona, getting the silver medal in 1m springboard closely behind He Zi, just by 0.1 marks.
She won the silver medal in the 3-meter springboard together with Francesca Dallapè at the 2016 Summer Olympics. It was the first Olympic medal for Cagnotto.
She won the gold medal in the 1-meter springboard at the 2015 FINA World Championship held in Kazan; she was the first Italian female diver to achieve this result. In the same event, Cagnotto also won the bronze medal in the 3-meter springboard.