Vivian Segnini (born 3 January 1989) is a former Brazilian tennis player.

On 24 October 2011, she achieved her career-high singles ranking of world No.

On 2 April 2012, she peaked at No.

Only three months later, she had her last appearance on the ITF Circuit when she lost in the third round of the qualifying competition of a $25,000 event in Torun, Poland.

She is currently head coach of the Winthrop University’s Women’s Tennis team.