Saint Earconwald (also Erkenwald), died 693, was a Saxon prince who served as Bishop of London between 675 and 693 and is the first post-Roman-period Bishop of London to begin the unbroken succession in the Saxon See of London. He is the eponymous subject of one of the most important poems in the foundations of English literature (thought to be by the Sir Gawain and the Green Knight Pearl Poet), a complex work of art associated with ecumenical and interfaith dynamics.
He is regarded as the patron saint of London and was called Lundoniae maximum sanctus, 'the most holy figure of London', as well as Lux Londonie, "the light of London". His early memorialisation is linked to London's proto-Renaissance, with Peter Ackroyd saying of him:
