Maria Sharapova
Through mid-2012, Maria Sharapova has won 27 World Tennis Association titles and 4 Grand Slam wins (one each at Wimbledon and in the French, US, and Australian Opens). She also has 3 trophies in WTA doubles.
Yes..with Max Mirnyi
Maria Sharapova recently achieved this by winning her 4th major title at the French Open.
Two, Maria Sharapova and Francesca Schiavone.
In my opinion, yes, she will win another one. Sharapova is a talented tennis player who, if on a roll, can easily win another one. There is bound to be a grand slam where multiple women have injuries, opening the door for Maria.
Margaret Court with 62 Grand Slam titles from 24 Grand singles titles, 19 Grand Slam women's doubles titles, and 19 Grand Slam mixed doubles titles.
Don Budge has won 6 Grand Slam Singles Titles.
Of the thirty-two Grand Slam singles finals she played, she won eighteen. 3 Australian, 2 French, 9 Wimbledon and 4 USA titles. This tally left her second only to Stefi Graf in all time singles Grand Slam titles. Martina is also second in the all time ranking of doubles titles, achieving twenty of those with Pam Shriver and another eleven with other partners. In mixed doubles she won a modest ten Grand Slam trophies. In all tournaments therefore, Martina Navratilova ended her career with FIFTY-NINE Grand Slam trophies in her cabinet.
Roger Federer currently holds the grand slam record. He has won 16 grand slam titles and is still very much active on the ATP World Tour
14 grand slam singles
Roger Federer won more than 10 grand slam titles