Deirdre Lenihan (gebore 19 Mei 1946) is 'n Amerikaanse aktrise. Sy is bekend vir haar rolle in die televisiereekse The Waltons (1971), The Streets of San Francisco (1972), Emergency! (1972), en Police Woman (1974). 1972: Glass Houses 1971: The Waltons 1972: The Streets of San Francisco 1972: Emergency! 1973: Needles and Pins 1974: Police Woman Deirdre Lenihan in die Internet-rolprentdatabasis