The Bishop of Bangor is the ordinary of the Church in Wales Diocese of Bangor. The see is based in the city of Bangor where the bishop's seat (cathedra) is at Cathedral Church of Saint Deiniol.
The Report of the Commissioners appointed by his Majesty to inquire into the Ecclesiastical Revenues of England and Wales (1835) found the see had an annual net income of £4,464. This made it the second wealthiest diocese in Wales, after St Asaph.
The incumbent is Andy John, who was consecrated on 29 November 2008 and enthroned on 24 January 2009. The bishop's residence is ("Bishop's House") in Bangor.