Valentina Sassi (born 12 July 1980) is a former professional tennis player from Italy.
She was a doubles bronze medalist for Italy at the 2001 Mediterranean Games.
Born in Seravezza, Sassi made her WTA Tour main draw debut at the Madrid Open in 2001, as a qualifier.
In 2002 she reached her best singles ranking of 144, making main draw appearances at Oporto and Casablanca that year.
Sassi, a right-handed player, won six ITF singles and seven ITF doubles titles before retiring in 2008.