Augustin Simmel Ndiaye (born 2 January 1959) is a Senegalese Roman Catholic who was appointed Bishop of the Roman Catholic Diocese of Saint-Louis du Sénégal in Senegal on 2 April 2025 by Pope Francis. He previously served a priest of the Roman Catholic Archdiocese of Dakar. He was consecrated and installed at Saint-Louis on 12 July 2025.
Background and education He was born on 2 January 1959 in Fadiouth, Thiès Region, Senegal. He attended the François Libermann Interdiocesan Major Seminary in Sébikhotane, near Dakar, where he studied both Philosophy and theology. He also holds a Doctor of Philosophy in Canon Law, awarded by the Pontifical Urban University in Rome, Italy. He was ordained a priest of the Archdiocese of Dakar on 9 April 1983.
Priesthood He was ordained a priest of the Archdiocese of Dakar on 9 April 1983. He served in that capacity until 2 April 2025.
He served in various roles and locations while a priest, including as: Vicar at the Cathedral of Notre-Dame des Victoires in Dakar from 1983 until 1988. Professor of Canon law at the François Libermann Major Seminary at Sébikhotane, Senegal from 1992 until 2014. Rector of the François Libermann Major Seminary at Sébikhotane from 1998 until 2005. President of the Union of Senegalese Clergy from 1996 until 1999. Rector of the Catholic University of West Africa (UCAO) in Ouagadougou, Burkina Faso from 2020 until 2025.
As bishop On 2 April 2025, Pope Francis appointed him as Bishop of the Roman Catholic Diocese of Saint-Louis du Sénégal. He succeeded Bishop Emeritus Ernest Sambou, whose age-related retirement took effect on 12 January 2023. On that day, Archbishop André Guèye of the Archdiocese of Dakar was appointed Apostolic Administrator of the Catholic Diocese of Saint-Louis du Sénégal. Reverend Augustin Simmel Ndiaye was consecrated and installed as bishop of Saint-Louis, Senegal on 12 July 2025. The Principal Consecrator was Benjamin Ndiaye, Archbishop Emeritus of Dakar assisted by Victor Ndione, Bishop of Nouakchott and Dèr Raphaël Kusiélé Dabiré, Bishop of Diébougou.
See also Catholic Church in Senegal
References
Succession table
External links The diocese of Saint-Louis has a new bishop: Augustin Simmel Ndiaye chosen by the Holy Father (Translated from the original French language]