1948 U.S. National Championships – Women's singles

Women's singles
1948 U.S. National Championships
Champion Margaret Osborne duPont
Runner-up Louise Brough
Score4–6, 6–4, 15–13

Third-seeded Margaret Osborne duPont defeated Louise Brough 4–6, 6–4, 15–13 in the final to win the women's singles tennis title at the 1948 U.S. National Championships.