Mona M. Ianotti (born August 31, 1947), who goes by the stage name Mona Marshall, is an American voice actress.
She studied acting under the guidance of Daws Butler.
She is often cast in the roles of young male characters. Her roles have included parts in not only Japanese anime, but also in American animated TV series and several animated feature films.
Her most notable roles in American cartoons are Sheila Broflovski (1999-present, after original voice actress Mary Kay Bergman committed suicide) and Linda Stotch on the popular television show South Park as well as the title character in Doraemon and Kite, the main protagonist of the 2002 video game series .hack for PlayStation 2. Marshall voiced the talking bear Koby the Study Buddy, and she also provided the English voice for the title character in the El Chavo: The Animated Series.