Basic Instinct 2 (also known as Basic Instinct 2: Risk Addiction) is a 2006 erotic thriller film directed by Michael Caton-Jones, produced by Mario Kassar, Joel B. Michaels, and Andrew G. Vajna, and written by Leora Barish and Henry Bean. The sequel to Basic Instinct (1992), it stars Sharon Stone, who reprises her role of the crime novelist Catherine Tramell, and David Morrissey. The film was an international co-production of German, British, American, and Spanish production companies.

The film follows novelist and suspected serial killer Catherine Tramell, who is once again in trouble with the authorities, this time in London. Now Scotland Yard (Greater London's Metropolitan Police Service) appoints psychiatrist Dr. Michael Glass to evaluate her. As with SFPD Detective Nick Curran in the first film, Dr. Glass becomes a victim of Tramell's psychological manipulation.

After being in development limbo for several years, the sequel film was shot in London from April to August 2005, and was released on 31 March 2006. It received negative reviews and underperformed at the box office.