Favourite Worst Nightmare is the second studio album by English rock band Arctic Monkeys, released on 23 April 2007 by Domino Recording Company. Recorded in east London's Miloco Studios with producers James Ford and Mike Crossey, the album was preceded by the release of "Brianstorm" on 16 April 2007.

This is the band's first album with bassist Nick O'Malley, replacing their previous bassist Andy Nicholson, who left the band before the North America tour of the band's debut studio album.