Joanne Rio (15 Desember 1931 – 29 November 1984) was 'n Amerikaanse aktrise. Sy was bekend vir haar rolle in die rolprente Singin' in the Rain (1952), Riding with Buffalo Bill (1954), en Seminole Uprising (1955), en in die televisiereeks The Joey Bishop Show (1961). 1952: Singin' in the Rain 1954: Riding with Buffalo Bill 1955: Seminole Uprising 1961: The Joey Bishop Show Joanne Rio in die Internet-rolprentdatabasis