Lethal Weapon is a 1987 American action film directed by Richard Donner and written by Shane Black. It stars Mel Gibson and Danny Glover alongside Gary Busey, Tom Atkins, Darlene Love, and Mitchell Ryan. In Lethal Weapon, a pair of mismatched LAPD detectives, Martin Riggs (Gibson), a former Green Beret who has become suicidal following the death of his wife, and veteran officer and family man Roger Murtaugh (Glover), work together as partners.

The film was released on March 6, 1987. Upon its release, Lethal Weapon grossed over $120 million (against a production budget of $15 million) and was nominated for the Academy Award for Best Sound. It spawned a franchise that includes three sequels and a television series, with a fourth sequel in development.