The 1998 Nabisco Dinah Shore was a women's professional golf tournament, held March 26–29 at Mission Hills Country Club in Rancho Mirage, California. This was the 27th edition of the Nabisco Dinah Shore, and the sixteenth as a major championship. Pat Hurst won her only major title, one stroke ahead of runner-up Helen Dobson. At the final green, she sank a 5-foot (1.5 m) putt for par and gained her second tour victory. At 6,460 yards (5,907 m), the course was the longest on the LPGA Tour in 1998.