Cast in Steel is the tenth studio album by Norwegian band A-ha. The album was released on 4 September 2015 by We Love Music and Polydor. It is their first studio album since Foot of the Mountain (2009), following their second reunion in early 2015.

a-ha is a Norwegian synth-pop band formed in Oslo in 1982. Founded by Paul Waaktaar-Savoy, Magne Furuholmen, and Morten Harket, the band rose to fame during the mid-1980s.