Janet Waldo (* 4. Februar 1920 in Yakima, Washington; † 12. Juni 2016 in Encino, Los Angeles), eigentlich Jeanette Marie Waldo, war eine US-amerikanische Radio- und Synchronsprecherin. ()
Janet Marie Waldo Lee (February 4, 1920 – June 12, 2016) was an American radio and voice actress. In animation, she voiced Judy Jetson, Nancy in Shazzan, Penelope Pitstop, Princess from Battle of the Planets, and Josie in Josie and the Pussycats. On radio, she voiced the title character in Meet Corliss Archer.