Jonathan Harkness (born November 18, 1985) is a Northern Irish footballer who currently plays as a left fullback for Donegal Celtic. Harkness is a former Northern Ireland youth international and he had spells with Walsall and Cambridge United.Harkness played as a teenager for Linfield making his debut at 16, eventually returning to the club when he was 22 from Kidderminster Harriers in 2008. In July 2010 he signed a one-year deal for Coleraine, and made his debut on 7 August 2010.