Kathleen Barr (born April 6, 1967) is a Canadian-American voice actress. She is best known for voicing Marie Kanker and Kevin in Ed, Edd n Eddy and Trixie Lulamoon and Queen Chrysalis in My Little Pony: Friendship is Magic. She also voiced Henri Richard Maurice Dutoit LeFevbre in Liberty's Kids, Dot Matrix in ReBoot, Kaiko Nekton in The Deep, Wheezie in Dragon Tales, and Gelorum in Hot Wheels: World Race and its 4-film sequel AcceleRacers.
She is the second voice for Inga Bittersweet in Season 7 of Totally Spies!.