Sara Shepard (born April 8, 1977) is an American author best known for her bestselling series Pretty Little Liars and The Lying Game, both of which have been adapted into television shows on Freeform. Her work spans across genres, focusing primarily on young adult fiction. Shepard's novels are notable for their gripping mysteries, complex characters, and intricate plot twists.

Shepard's educational background includes graduating from NYU and earning an MFA from Brooklyn College. Throughout her career, she has lived in diverse locations such as New York City, Brooklyn, Tucson, Arizona, Philadelphia, and currently resides in Pittsburgh, PA. Shepard's upbringing in Philadelphia's Main Line has served as a key inspiration for the Pretty Little Liars novels. Beyond her notable literary career, Shepard has also ventured into publishing, with her own publishing house focused on producing quality literature for audiences of all ages. This initiative reflects her commitment to creativity, intelligence, and development in literature, striving to make the world a slightly better place through her work.