<P> Williams holds the most Grand Slam titles in singles , doubles , and mixed doubles combined amongst active players . Her record of 39 Grand Slam titles puts her third on the all - time list and second in the open era : 23 in singles , 14 in women 's doubles , and 2 in mixed doubles . She is the most recent female player to have held all four Grand Slam singles titles simultaneously ( 2002 -- 03 and 2014 -- 15 ) and the third player to achieve this record twice after Rod Laver and Steffi Graf . She is also , together with her sister Venus , the most recent player to have held all four Grand Slam women 's doubles titles simultaneously ( 2009 -- 10 ) . </P>
<P> Williams holds the most Grand Slam titles in singles , doubles , and mixed doubles combined amongst active players . Her record of 39 Grand Slam titles puts her third on the all - time list and second in the open era : 23 in singles , 14 in women 's doubles , and 2 in mixed doubles . She is the most recent female player to have held all four Grand Slam singles titles simultaneously ( 2002 -- 03 and 2014 -- 15 ) and the third player to achieve this record twice after Rod Laver and Steffi Graf . She is also , together with her sister Venus , the most recent player to have held all four Grand Slam women 's doubles titles simultaneously ( 2009 -- 10 ) . </P>
number of grand slam titles for serena williams
number of grand slam titles for serena williams
39
39