Joanna Kerns (gebore 12 Februarie 1953) is 'n Amerikaanse aktrise en regisseuse. Sy is bekend vir haar rolle in die rolprente Girl, Interrupted (1999) en Knocked Up (2007), en in die televisiereeks Growing Pains (1985). 1976: Ape 1987: Cross My Heart 1987: Street Justice 1990: An American Summer 1994: No Dessert, Dad, Till You Mow the Lawn 1996: No One Could Protect Her 1999: Girl, Interrupted 2007: Knocked Up 1984: The Four Seasons 1985: Growing Pains 1998: The Closer 2001: The Balancing Act 1985: A Bunny's Tale 1989: The Preppie Murder 1989: Those She Left Behind 1990: The Great Los Angeles Earthquake 1991: Captive 1991: Deadly Intentions...