Katarina Srebotnik (born March 12, 1981) is a Slovenian professional tennis player. She reached a career-high singles ranking of No. 20 on the Sony Ericsson WTA Tour on August 7, 2006, and a career-high doubles ranking of No. 1 on July 4, 2011.
Srebotnik won 4 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 37 titles (as of February 17, 2017), including one doubles Grand Slam title (Wimbledon 2011), as well as five Grand Slam titles in mixed doubles.