Changing Lanes is a 2002 American drama thriller film directed by Roger Michell and starring Ben Affleck and Samuel L. Jackson. The film follows a successful, young Wall Street lawyer (Affleck) who accidentally crashes his car into a vehicle driven by a middle-aged, recovering alcoholic insurance salesman (Jackson). After the lawyer leaves the scene of the accident, the two men try to get back at each other, engaging in a variety of immoral and illegal actions that end up having a major impact on each man's life.

Roger Michell was a South African-born British theatre, television and film director. He was best known for directing films such as Notting Hill and Venus, as well as the 1995 made-for-television film Persuasion.