The Boy Next Door is a 2015 American erotic 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. Lopez plays a high school teacher named Claire who, in the midst of being separated from her husband (Corbett), has a one-night stand with a younger neighbor (Guzman), who develops a dangerous obsession with her.
Barbara Curry, a former criminal lawyer, wrote the screenplay for the film inspired from her life's experiences. Blumhouse Productions financed and produced the film, which was filmed for 23 days in Los Angeles and other locations in California at the end of 2013. The film was released on January 23, 2015 by Universal Pictures. It received generally negative reviews from film critics, but was a box office success, grossing over thirteen times its budget. It was released on Blu-ray and DVD on April 28, 2015.