A Thin Line Between Love and Hate is a 1996 American comedy thriller film starring and directed by Martin Lawrence in his feature film directorial debut. It tells the story of Darnell Wright (Lawrence), a ladies' man who finds himself stalked by one of his obsessed lovers: Brandi (Lynn Whitfield), an attractive and successful, but unstable older realtor businesswoman.

Along with directing and starring in the film, Lawrence co-wrote the screenplay alongside Kenny Buford, Bentley Kyle Evans and Kim Bass. Released on April 3, 1996, the film grossed over $34 million at the box office against a budget of $8 million. As of 2025, A Thin Line Between Love and Hate is the only film that Lawrence has ever directed.