Martin Banga Ayanyaki O.S.A. (born 1 December 1972) is a Congolese Catholic prelate who serves as Bishop of the Roman Catholic Diocese of Buta, DR Congo, since 15 April 2024. Before that, from 28 August 2003 until 15 April 2024, he was a priest of the Order of Saint Augustine. He was appointed bishop on 15 April 2024 by Pope Francis. He was consecrated and installed at Buta, on 7 July 2024 by Cardinal Fridolin Ambongo Besungu, Archbishop of Kinshasa.
He was born on 1 December 1972, in Dungu, Haut-Uélé, Democratic Republic of the Congo. He studied philosophy at Saint Augustine Philosophical Seminary in Butembo. He then studied Theology at Saint Eugène de Mazenod University in Kinshasa. He holds a Doctorate in Sociology awarded by the Pontifical Gregorian University in Rome in Italy where he studied from 2014 until 2020.
He took his solemn vows as a member of the Order of St. Augustine on 30 November 2002. He was ordained a priest of the same religious Order on 28 August 2003. He served as a priest until 15 April 2024.
As a priest he served in many positions of responsibility including as:
On 15 April 2024, Pope Francis appointed him as bishop of the Roman Catholic Diocese of Buta, DRC. He was consecrated and installed at Buta on 7 July 2024 by the hands of Catholic Fridolin Ambongo Besungu, Archbishop of Kinshasa assisted by Archbishop Marcel Utembi Tapa, Archbishop of Kisangani and Archbishop Mitja Leskovar, Titular Archbishop of Beneventum.