The Diocese of Wakefield is a former Church of England diocese based in Wakefield in West Yorkshire, covering Wakefield, Barnsley, Kirklees and Calderdale. The cathedral was Wakefield Cathedral and the bishop was the diocesan Bishop of Wakefield.

Wakefield Cathedral, or the Cathedral Church of All Saints in Wakefield, West Yorkshire, England, is a co-equal Anglican cathedral with Bradford and Ripon Cathedrals, in the Diocese of Leeds and a seat of the Bishop of Leeds. Originally the parish church, it has Anglo Saxon origins and, after enlargement and rebuilding, has the tallest spire in Yorkshire. Its 247-foot (75 m) spire is the tallest structure in the City of Wakefield. The cathedral was designated a Grade I listed building on 14 July 1953.