Roman Catholic Bishop of Plymouth

The Bishop of Plymouth is the Ordinary of the Roman Catholic Diocese of Plymouth in the Province of Southwark, England.

The diocese covers an area of 12831 km2 and consists of the counties of Cornwall, Devon and Dorset. The see is in the City of Plymouth where the bishop's seat is located at the Cathedral Church of Saint Mary and Saint Boniface.

The diocese of Plymouth was one of the dioceses erected on 29 September 1850 from the Vicariate Apostolic of the Western District. The Right Reverend Mark O'Toole, the 9th Bishop of Plymouth, was appointed on 9 November 2013 by Pope Francis. In June 2022 he was translated to both the Archbishopric of Cardiff and the Bishopric of Menevia; since then the see has been vacant. In December 2023, Pope Francis appointed Canon Christopher Whitehead of the Diocese of Clifton to become the 10th Bishop of Plymouth. Bishop-Elect Christopher is to be installed on 22 February 2024.