Mary Kay Bergman (June 5, 1961 – November 11, 1999) was an American voice actress and voice-over teacher, best known for providing the voices for Daphne Blake from the Scooby-Doo franchise from 1998-1999, Snow White for Disney media from 1989 to 1999, and almost all female character voices in the animated comedy series South Park from 1997 to 1999. She provided the voice of Jessie in the Woody's Roundup TV show segment in Toy Story 2, and provided her yodeling throughout the film.
Bergman suffered from bipolar disorder and committed suicide by gunshot in 1999.