Unrelated is a 2007 British drama film written and directed by Joanna Hogg, starring Kathryn Worth, Tom Hiddleston, Mary Roscoe, David Rintoul and Henry Lloyd-Hughes. It was released in the US on 20 February 2008.

Joanna Hogg is a British film director and screenwriter. She made her directorial and screenwriting feature film debut in 2007 with Unrelated followed by Archipelago (2010), Exhibition (2013), The Souvenir (2019), The Souvenir Part II (2021), and The Eternal Daughter (2022). Two of her films topped the Sight & Sound annual poll for best film in their respective years, receiving nominations at the British Independent Film Awards, the Independent Spirit Awards and at the Berlin International Film Festival.