Diane Lane (born January 22, 1965) is an American film actress born and raised in New York City. Lane made her screen debut in George Roy Hill's 1979 film A Little Romance, starring opposite Laurence Olivier. Soon after, she was featured on the cover of Time.

Lane has had a movie career spanning across three decades and has appeared in several notable films, including Unfaithful in 2002, which earned her Academy Award, Golden Globes and Screen Actors Guild Award nominations. Lane is also well known for her 2003 film Under the Tuscan Sun.

Timothy Hutton, Christopher Atkins, Matt Dillon were among the actors Lane dated during the 1980s, and later rock star Jon Bon Jovi. She was married to Christopher Lambert, and they had a daughter, Eleanor Jasmine Lambert. The couple were divorced following a prolonged separation in 1994, and she married actor Josh Brolin on August 15, 2004.