Oscar Ngoy wa Mpanga C.S.Sp. (born 5 December 1964) is a Congolese Catholic prelate who is the Bishop of the Roman Catholic Diocese of Kongolo in the Democratic Republic of the Congo since 31 March 2007. Before that, from 26 July 1992 until he was appointed bishop, he was a priest of the Order of the Congregation of the Holy Spirit. He was appointed bishop on 31 March 2007 by Pope Benedict XVI. He was consecrated as bishop at Kongolo on 9 June 2007.
He was born on 5 December 1964 Kyolo, Diocese of Manono, Tanganyika Province, DR Congo. He attended local schools for his elementary and secondary school education. He studied philosophy at the Jean XXIII Institute in Kolwezi from 1985 until 1987. He studied at the novitiate of the Congregation of the Holy Spirit from 1987 until 1988. He made his preliminary vows as a member of his religious Order in 1988. He then studied theology at the Poullartdes Places Institute, in Brazzaville, Republic of Congo from 1988 until 1992.
On 26 July 1992 , he was ordained a priest of the Catholic Order of the Holy Ghost Fathers. He served as priest until 31 March 2007.
While a priest, he served in various roles including as:
Pope Benedict XVI appointed him Bishop of Kongolo on 31 March 2007. He was consecrated and installed at Kongolo on 9 June 2007 by the hands of Bishop Jérôme Nday Kanyangu Lukundwe, Bishop Emeritus of Kongolo assisted by Archbishop Giovanni d'Aniello, Titular Archbishop of Pesto and Bishop Nestor Ngoy Katahwa Bishop of Kolwezi.
He succeeded Bishop Jérôme Nday Kanyangu Lukundwe, Bishop Emeritus of Kongolo, whose age-related retirement was accepted by the Holy See. Bishop Oscar Ngoy wa Mpanga is the Local Ordinary of the Diocese of Kongolo, as of September 2024.