1949 U.S. National Championships – Women's singles

Women's singles
1949 U.S. National Championships
Champion Margaret Osborne duPont
Runner-up Doris Hart
Score6–4, 6–1

Second-seeded Margaret Osborne duPont defeated Doris Hart 6–4, 6–1 in the final to win the women's singles tennis title at the 1949 U.S. National Championships.