Betty Lou Gerson
- Category : 1914-births
- Type : GP
- Profile : 4/6 - Opportunistic / Role Model
- Definition : Split - Small (33)
- Incarnation Cross : RAX Laws 1
American actress, predominantly active in radio, but also in film and television, and as a voice actress. She is best known as the voice of the villainous, selfish socialite Cruella de Vil from Walt Disney's animated film, One Hundred and One Dalmatians (1961) for which she was named a Disney Legend in 1996.
Her few on-camera film roles include appearances in The Fly (1958), The Miracle on the Hills (1959), and Mary Poppins (1964) in a small cameo as an old crone. In television, she made three guest appearances on Perry Mason, including the role of murderer Marjory Davis in the episode, "The Case of the Foot-Loose Doll" (1959). She also guest starred on The Twilight Zone, The Dick Van Dyke Show, Hazel, and The Rifleman.
Gerson died from a massive stroke in Los Angeles on 12 January 1999, aged 84.