April Stewart (born February 8, 1968) is an American voice actress.
Stewart is best known for providing the voices of several female characters in the animated comedy series South Park alongside fellow voice actress Mona Marshall. April is the voice of Liane Cartman, Sharon Marsh, Carol McCormick, Shelley Marsh, Mayor McDaniels, Principal Victoria, Wendy Testaburger and numerous other characters starring in South Park. She is also the voice of Maria Rivera on Nickelodeon's El Tigre: The Adventures of Manny Rivera and the voice of Raava and Fire Lord Izumi in The Legend of Korra. She is also the voice Nickelodeon's All Grown Up! and the voice of Caroler, Also, she voiced Bloody Mary, the main antagonist of the video game Infamous: Festival of Blood.
Born and raised in Truckee, California, Stewart started acting at the age of 12. Her father, Freddie Stewart, was a singer with the Tommy Dorsey Orchestra. She gave birth to her first child, a daughter, in 2008.