Jean Vander Pyl (October 11, 1919 – April 10, 1999) was an American actress on radio, television and movies. Although her career spanned many decades, she is best remembered as the voice of Wilma Flintstone from the Hanna-Barbera cartoon The Flintstones. She also provided the voice for Pebbles Flintstone, as well as Rosie the Robot Maid from the animated series The Jetsons, among many others, such as Fifi in Top Cat and Winsome Witch on The Secret Squirrel Show.
Vander Pyl was born in Philadelphia to John H. and Kathleen Hale Vander Pyl. Her grandfather had come from Holland. Her father was the district manager for Knit Underwear, her mother was a Southerner from Tennessee. The two died within six months of each other in the early 1950s. The family came to Los Angeles by the mid 1930s.
On radio she was heard on such programs as The Halls of Ivy (1950-52) and on Father Knows Best during the early 1950s, where she portrayed Margaret Anderson; the role was played on television by Jane Wyatt. Her husband, Carroll G. O'Meara, died on February 18, 1952, at age 53. He was a graduate of Stanford University who worked as a copywriter at KHJ radio in the mid-1930s and later became an advertising executive. She later married Roger Wells DeWitt, who also predeceased her.