The 1990 Nabisco Dinah Shore was a women's professional golf tournament, held March 29 to April 1 at Mission Hills Country Club in Rancho Mirage, California.

This was the 19th edition of the Nabisco Dinah Shore, and the eighth as a major championship.

Betsy King won the second of her three Dinah Shores, two strokes ahead of runners-up Shirley Furlong and Kathy Postlewait.

[3] She began the final round with a five-shot lead,[4] then carded a 75 (+3), with four bogeys on the last seven holes.

[3] It was the third of King's six major titles; she was the reigning U.S. Women's Open champion and repeated in July.