Sarah Jane Vowell (born December 27, 1969) is an American historian, author, journalist, essayist, social commentator, and actress. She has written seven nonfiction books on American history and culture. Vowell was a contributing editor for the radio program This American Life on Public Radio International from 1996 to 2008, where she produced commentaries and documentaries. She was the voice of Violet Parr in the 2004 animated film The Incredibles and its 2018 sequel.