U.S. Open Women's Champions
2012 - Serena Williams
2011 - Sam Stosur
2010 - Kim Clijsters
2009 - Kim Clijsters
2008 - Serena Williams
2007 - Justine Henin
2006 - Maria Sharapova
2005 - Kim Clijsters
2004 - Svetlana Kuznetsova
2003 - Justine Henin-Hardenne
2002 - Serena Williams
2001 - Venus Williams
2000 - Venus Williams
1999 - Serena Williams
1998 - Lindsay Davenport
1997 - Martina Hingis
1996 - Steffi Graf
1995 - Steffi Graf
1994 - Arantxa Sanchez-Vicario
1993 - Steffi Graf
1992 - Monica Seles
1991 - Monica Seles
1990 - Gabriela Sabatini
1989 - Steffi Graf
1988 - Steffi Graf
1987 - Martina Navratilova
1986 - Martina Navratilova
1985 - Hana Mandlikova
1984 - Martina Navratilova
1983 - Martina Navratilova
1982 - Chris Evert Lloyd
1981 - Tracy Austin
1980 - Chris Evert Lloyd
1979 - Tracy Austin
1978 - Chris Evert
1977 - Chris Evert
1976 - Chris Evert
1975 - Chris Evert
1974 - Billie Jean King
1973 - Margaret Smith Court
1972 - Billie Jean King
1971 - Billie Jean King
1970 - Margaret Smith Court
1969 - Margaret Smith Court
1968 - Virginia Wade
1967 - Billie Jean King
1966 - Maria Bueno
1965 - Margaret Smith
1964 - Maria Bueno
1963 - Maria Bueno
1962 - Margaret Smith
1961 - Darlene Hard
1960 - Darlene Hard
1959 - Maria Bueno
1958 - Althea Gibson
1957 - Althea Gibson
1956 - Shirley Fry
1955 - Doris Hart
1954 - Doris Hart
1953 - Maureen Connolly
1952 - Maureen Connolly
1951 - Maureen Connolly
1950 - Margaret Osbourne duPont
1949 - Margaret Osbourne duPont
1948 - Margaret Osbourne duPont
1947 - Louise Brough
1946 - Pauline Betz
1945 - Sarah Palfrey Cooke
1944 - Pauline Betz
1943 - Pauline Betz
1942 - Pauline Betz
1941 - Sarah Palfrey Cooke
1940 - Alice Marble
1939 - Alice Marble
1938 - Alice Marble
1937 - Anita Lizana
1936 - Alice Marble
1935 - Helen Jacobs
1934 - Helen Jacobs
1933 - Helen Jacobs
1932 - Helen Jacobs
1931 - Hellen Wills Moody
1930 - Betty Nuthall
1929 - Helen Wills
1928 - Helen Wills
1927 - Helen Wills
1926 - Molla Bjurstedt Mallory
1925 - Helen Wills
1924 - Helen Wills
1923 - Helen Wills
1922 - Molla Bjurstedt Mallory
1921 - Molla Bjurstedt Mallory
1920 - Molla Bjurstedt Mallory
1919 - Hazel Hotchkiss Wightman
1918 - Molla Bjurstedt
1917 - Molla Bjurstedt
1916 - Molla Bjurstedt
1915 - Molla Bjurstedt
1914 - Mary K. Browne
1913 - Mary K. Browne
1912 - Mary K. Browne
1911 - Hazel Hotchkiss
1910 - Hazel Hotchkiss
1909 - Hazel Hotchkiss
1908 - Maud Barger Wallach
1907 - Evelyn Sears
1906 - Helen Homans
1905 - Elizabeth Moore
1904 - May Sutton
1903 - Elizabeth Moore
1902 - Marion Jones
1901 - Elizabeth Moore
1900 - Myrtle McAteer
1899 - Marion Jones
1898 - Juliette Atkinson
1897 - Juliette Atkinson
1896 - Elizabeth Moore
1895 - Juliette Atkinson
1894 - Helen Hellwig
1893 - Aline Terry
1892 - Mabel Cahill
1891 - Mabel Cahill
1890 - Ellen Roosevelt
1889 - Bertha Townsend
1888 - Bertha Townsend
1887 - Ellen Hansell
Prior to 1968, the United States National Championships was an amateur event. It became the U.S. Open in 1968 when the tournament was open to professionals.