Lauren Elizabeth Maltby (born November 17, 1984) is an American retired actress and psychologist. She is best known for her roles as Margie Hammond in the ' trilogy movies and Heather Hartman in Stepsister from Planet Weird.
Maltby was born in San Diego, California. She has an older sister, Jessica. She is an alumna of Whittier Christian High School where she ran cross country. In the Olympic League cross country finals held on November 2, 2000, she placed 28th with a time of 25:49.15. She attended Biola University for a Ph.D. in clinical psychology, with her research focusing on ambivalent sexism.
After the final Zenon movie, ', Lauren Maltby retired from acting.