1981 US Open – Women's singles

Women's singles
1981 US Open
Champion Tracy Austin
Runner-up Martina Navratilova
Score1–6, 7–6(7–4), 7–6(7–1)
Draw128
Seeds16

Tracy Austin defeated Martina Navratilova in the final, 1–6, 7–6(7–4), 7–6(7–1) to win the women's singles tennis title at the 1981 US Open. It was her second US Open title and second and last major singles title.

Chris Evert was the defending champion, but lost in the semifinals to Navratilova. The loss ended Evert's streak of six consecutive US Open finals.