Nancy Ditz

Nancy Jane Ditz (June 25, 1954 in San Jose, California) is a former American long-distance runner who is a United States national champion in the marathon. Ditz competed in the marathon at the 1988 Summer Olympics.

In her debut marathon, Ditz won the 1982 San Francisco Marathon (2:44:34). She also set a course record at the 1984 California International Marathon with a time of 2:31:36.