John Thomas (bishop of Swansea and Brecon)

John James Absalom "Jack" Thomas (17 May 1908–27 February 1995) was the Bishop of Swansea and Brecon from 1958 until 1976.

Thomas was educated at the University of Aberystwyth and Keble College, Oxford, and was ordained in 1932. He held curacies at Llancaiach and Sketty after which he was the Bishop’s Messenger and Examining Chaplain for the Swansea diocese. He was then Warden of Church Hostel, Bangor, and a lecturer at the University College of North Wales until 1944. Following this he was Vicar of Swansea and then Archdeacon of Gower - before being enthroned as Bishop of Swansea and Brecon on 2 February 1958. He retired in 1976.