Bullet in the Head is a 1990 Hong Kong action film written, produced, edited and directed by John Woo, and starring Tony Leung, Jacky Cheung, Waise Lee and Simon Yam. The film incorporates elements of the action, war, drama, and crime film genres.

John Woo Yu-Sen is a Hong Kong filmmaker, known as a highly influential figure in the action film genre. He is a pioneer of heroic bloodshed films and the gun fu genre in Hong Kong action cinema, before working in Hollywood films. He is known for his highly chaotic "bullet ballet" action sequences, stylized imagery, Mexican standoffs, frequent use of slow motion and allusions to wuxia, film noir and Western cinema.