Katarina Srebotnik (born March 12, 1981) is a professional tennis player from Slovenia.
She reached her career-high singles ranking of world No.
20 on 7 August 2006.
On 4 July 2011, she reached No.
1 of the WTA doubles rankings.
Srebotnik won four singles titles on the WTA Tour and was a steady top-30 player for several years.
However, she had her best results on the doubles circuit, winning 39 titles, including one Grand Slam title (Wimbledon 2011) as well as five Grand Slam titles in mixed doubles.