The Boy Next Door is a 2015 American erotic psychological thriller film directed by Rob Cohen and written by Barbara Curry. The film stars Jennifer Lopez, Ryan Guzman, and Ian Nelson, with John Corbett and Kristin Chenoweth playing supporting roles. The film follows a 19-year-old boy who, after having a one-night stand with his high school teacher, develops a dangerous and deranged obsession with her. Barbara Curry, a former criminal lawyer, wrote the screenplay for the film inspired from her life's experiences.