List of Grand Slam women's singles champions

List of Women's singles Grand Slam tournaments tennis champions. Note that some major changes have taken place over the years that have affected how many titles have been won by various players. Most notable included the elimination of the challenge round in 1922, the opening of the French national championships to international competition in 1925, and the allowing in of professional players in 1968 (the start of the 'Open' era). Since then, 45 women have won at least one grand slam.

In the last 48 years, 45* different women have won one or more major singles title.
* Monica Seles is listed under United States, Serbia and Montenegro & Yugoslavia.

Only three players have been able to win all four Majors in a single year.

(Date listed is the year the player first won each tournament. Last one marked in bold)

^ Years are italicized where a player won more than once in a calendar year

Only five countries: Australia, United States, Belgium, Russia and Italy, have had two countrywomen play in a Grand Slam final that took place after 1968.

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