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.

Martin James Smith is an English vocalist, guitarist, songwriter, and producer, best known as the frontman of the Christian rock and worship band Delirious?. He has been a solo artist since Delirious?' disbandment in 2009.