Build a Rocket Boys! is the fifth studio album by English rock band Elbow, released on 4 March 2011 in the UK. Coinciding with the UK release, the album was available digitally in the United States on 8 March and released in the physical format on 12 April. It is the follow-up to the highly successful The Seldom Seen Kid, and like its predecessor, was self-produced by the band in Blueprint Studios, Manchester. The album was nominated for the 2011 Mercury Prize. It was supported by the Build a Rocket Boys! Tour.

Elbow are an English rock band formed in Bury, Greater Manchester in 1997. The band consists of Guy Garvey, Craig Potter, Mark Potter and Pete Turner. They have played together since 1990, adopting the name Elbow in 1997. Drummer Alex Reeves replaced Richard Jupp in 2016 as a touring and session musician at first, before becoming a full member in 2024.