The 1957 LPGA Championship was the third LPGA Championship, held June 6–10 at Churchill Valley Country Club in Blackridge, Pennsylvania, a suburb east of Pittsburgh.

It concluded on Monday, after rain washed out play on Saturday.

[3] Louise Suggs, president of the LPGA,[4] shot a final round 68 (−2) to win her only LPGA Championship, three strokes ahead of runner-up Wiffi Smith.

[5] Defending champion Marlene Hagge and 1955 winner Beverly Hanson finished two strokes behind Smith, in a tie for third.

The field consisted of 26 professionals; a concurrent event for amateurs was also held.