Duncan Theodore Tsoke (born 15 April 1964) is a South African Catholic prelate who serves as the bishop of the Roman Catholic Diocese of Kimberley, in South Africa. He was appointed to that position on 3 March 2021 and was installed at Kimberley on 17 April 2021. Before that, from 6 February 2016 until 3 March 2021, he was auxiliary bishop of the Archdiocese of Johannesburg in South Africa. He was appointed bishop on 6 February 2016 by Pope Francis. He concurrently served as Titular Bishop of Horrea Coelia while auxiliary bishop. He was consecrated at Johannesburg on 30 April 2016 by Buti Joseph Tlhagale, Archbishop of Johannesburg. On 3 March 2021, The Holy Father transferred him to the Diocese of Kimberley and appointed him the local ordinary there.
He was born on 15 April 1964, in Daveyton, Archdiocese of Johannesburg, Gauteng, in South Africa. From 1988 until 1990, he studied philosophy at the Major Seminary of Hammanskraal in Pretoria. He then studied theology at the Saint John Marie Vianney National Major Seminary from 1991 until 1994. His Diploma in Management of Ecclesiastical Heritage was awarded in 2010 by an institution in Nairobi, Kenya.
He was ordained a priest for the Archdiocese of Johannesburg on 2 December 1995. He served as a priest until 6 February 2016. While a priest, he served in various roles and locations, including:
On 6 Februart 2016, Pope Francis appointed Reverend Father Duncan Theodore Tsoke, previously a member of the clergy of Johannesburg Archdiocese as Auxiliary Bishop of the Archdiocese of Johannesburg, South Africa. He was simultaneously assigned the titular see of Horrea Coelia. He was consecrated on 30 April 2016 by the hands of Buti Joseph Tlhagale, Archbishop of Johannesburg assisted by Vincent Mduduzi Zungu, Bishop of Port Elizabeth and Valentine Tsamma Seane, Bishop of Gaborone.
The Holy Father transferred Bishop Duncan Theodore Tsoke, previously auxiliary bishop of Johannesburg to the Roman Catholic Diocese of Kimberley on 3 March 2021 and appointed him local ordinary there. He was installed at Kimberly on 17 April 2021.