James Devlin, better known mononymously as Devlin, is an English rapper from Dagenham, London. He attended the Brittons Academy in Rainham, East London. He was signed to Island Records from 2010 to 2015. He is part of grime collective 'O.T Crew' with Dogzilla, Deeperman, M. Eye, Benson, Kozy, Syer Bars, Shotz, Meshie, Props and Daze. Devlin was also a member of the Movement, consisting of himself, Wretch 32, Scorcher, Ghetts, Lightning, Mercston and DJ Unique but has since left.

Dagenham is a town in East London, England, within the London Borough of Barking and Dagenham. Dagenham is centred 11.5 miles (18.5 km) east of Charing Cross.