Janet Waldo (4 Februarie 1919 – 12 Junie 2016) was 'n Amerikaanse aktrise. Sy is bekend vir haar rolle in die televisiereekse The Jetsons (1962), The Adventures of Superboy (1966), Wacky Races (1968), en The Perils of Penelope Pitstop (1969). 1940: One Man's Law 1941: The Bandit Trail 1942: Land of the Open Range 1974: Heidi in the Mountains 1962: The Jetsons 1964: Valentine's Day 1965: The Atom Ant Show 1966: The Adventures of Superboy 1966: The New Adventures of Superman 1966: The Space Kidettes 1966: A Laurel and Hardy Cartoon 1967: Abbott & Costello 1967: The Atom Ant/Secret Squirrel Show 1967: Shazzan 1968: Wacky Races 1969: The Perils of Penelope Pitstop 1969: Cattanooga Cats 1970: Josie and the Pussycats 1970: In the Know 1972: Josie and the Pussy Cats in Outer Space 1972: The Roman Holidays 1972: Around the World in Eighty Days 1973: The Addams Family 1973: Inch High, Private Eye 1973: Jeannie 1975: The New Tom & Jerry Show 1976: The Scooby-Doo/Dynomutt Hour 1976: Jabberjaw 1977: ABC Weekend Specials 1978: Battle of the Planets 1978: The Adventures of the Little Prince 1979: The New Fred and Barney Show 1980: Heathcliff 1983: The Puppy's Further Adventures 1979: Gulliver's Travels 1983: Beauty and the Beast 1987: Alice Through the Looking Glass 2009: The Jetsons Return to the Future Janet Waldo in die Internet-rolprentdatabasis