Fish Tank is a 2009 British drama film written and directed by Andrea Arnold. The film is about Mia, a volatile and socially isolated 15-year-old, and her relationship with her mother's new boyfriend. Fish Tank was well-received and won the Jury Prize at the 2009 Cannes Film Festival. It also won the 2010 BAFTA for Best British Film. It was included in the BBC's The 21st Century's 100 greatest films, ranking at no. 65 on the list.

The 62nd Cannes Film Festival was held from 13 May to 24 May 2009. French actress Isabelle Huppert was the Jury President. The Palme d'Or winner was The White Ribbon, directed by Michael Haneke.