Christine Marie Evert (born December 21, 1954), known as Chris Evert Lloyd from 1979 to 1987, is a former World No. 1 professional tennis player from the United States. She won 18 Grand Slam singles championships and three doubles titles. She was the year-ending World No. 1 singles player in 1974, 1975, 1976, 1977, 1978, 1980, and 1981. Overall Evert won 157 singles championships and 32 doubles titles.

Evert's career winning percentage in singles matches of 89.96% (1309–146) is the highest in the history of Open Era tennis, for men or women. On clay courts, her career winning percentage in singles matches of 94.55% (382–22) remains a Women's Tennis Association (WTA) record.

Evert served as president of the WTA during eleven calendar years, 1975–76 and 1983–91. She was awarded the Philippe Chatrier award and inducted into the Hall of Fame. In later life Evert was a coach and is now an analyst for ESPN and has a line of tennis and active apparel.

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