Dianne Kay (born March 29, 1954)[1] is an American retired actress best known for playing Nancy Bradford on ABC's Eight Is Enough from 1977 to 1981.

[6] Kay had a large role in Steven Spielberg's period comedy film 1941 (1979).

Kay played Richard Mulligan's daughter on the short-lived ABC sitcom Reggie in 1983.

She appeared on the pilot episode of Flamingo Road, and was a regular on the short-lived series Glitter.

Her last appearance was on a 1999 episode of Dick Van Dyke's detective series Diagnosis: Murder, as the unwitting wife of a serial killer.