The 1982 U.S. Women's Open was the 37th U.S. Women's Open, held July 22–25 at Del Paso Country Club in Sacramento, California.

Janet Alex shot a final round 68 (−4) for 283 (−5) to gain her only LPGA victory (and only major title), six strokes ahead of four runners-up.

[4][5][6] She began the final round in third, two strokes behind 54-hole leader Beth Daniel with two-time champion JoAnne Carner, the 36-hole leader, in second.

[7] Alex's 68 was the lowest score for all four rounds of the championship.

[8] Attendance records were set for the U.S. Women's Open, with over 14,600 on Sunday and 44,600 for the week.