| 1990 Nabisco Dinah Shore | |
| Dates: | March 29 – April 1, 1990 |
| Location: | Rancho Mirage, California |
| Course: | Mission Hills Country Club Old Course (Dinah Shore Tourn. Course) |
| Tour: | LPGA Tour |
| Format: | Stroke play – 72 holes |
| Par: | 72 |
| Yardage: | [1] |
| Field: | 115 players, 74 after cut[2] |
| Cut: | 151 (+7) |
| Purse: | $600,000 |
| Winners Share: | $90,000 |
| Champion: |  Betsy King |
| Score: | 283 (−5) |
| Previous: | 1989 |
| Next: | 1991 |
The 1990 Nabisco Dinah Shore was a women's professional golf tournament, held March 29 to April 1 at Mission Hills Country Club in Rancho Mirage, California. This was the 19th edition of the Nabisco Dinah Shore, and the eighth as a major championship.
Betsy King won the second of her three Dinah Shores, two strokes ahead of runners-up Shirley Furlong and Kathy Postlewait.[3] She began the final round with a five-shot lead,[4] then carded a 75 (+3), with four bogeys on the last seven holes.[3] It was the third of King's six major titles; she was the reigning U.S. Women's Open champion and repeated in July.
Sunday, April 1, 1990
| Place | Player | Score | To par | Money ($) | |||
|---|---|---|---|---|---|---|---|
| 1 | 69-70-69-75=283 | −5 | 90,000 | ||||
| align=center rowspan=2 | T2 | 74-73-70-68=285 | align=center rowspan=2 | −3 | align=center rowspan=2 | 42,000 | |
| 73-72-68-72=285 | |||||||
| 4 | 72-72-72-70=286 | −2 | 28,000 | ||||
| 5 | 74-72-67-74=287 | −1 | 24,000 | ||||
| align=center rowspan=3 | T6 | 71-73-72-72=288 | align=center rowspan=3 | E | align=center rowspan=3 | 17,217 | |
| 72-71-71-74=288 | |||||||
| 73-72-72-71=288 | |||||||
| align=center rowspan=2 | T9 | 74-73-69-73=289 | align=center rowspan=2 | +1 | align=center rowspan=2 | 12,699 | |
| 74-72-70-73=289 |