Maggie Lawson (born August 12, 1980, in Louisville, Kentucky; an Assumption High School graduate) is an actress who has starred in the sitcoms Family Rules, Inside Schwartz, It's All Relative, and Crumbs, as well as the movie Nancy Drew. In 2000, she starred in a ABC-TV movie featuring Justin Timberlake called Model Behavior.

She is often confused with Rachel Blanchard.

She now co-stars in the USA network original series Psych as Junior Detective Juliet O'Hara.