Delirious? were an English contemporary Christian band. For the majority of their career, the lineup featured Martin Smith on vocals and guitar, Stu G on guitar and backing vocals, Jon Thatcher on bass guitar, Tim Jupp on keys and piano, and Stew Smith on drums and percussion. Paul Evans took over as drummer for the band's final two years.

Kingdom of Comfort is the ninth and final studio album by the British Christian rock band Delirious?, released in the United States on 1 April 2008 and in the United Kingdom on 14 April 2008.