Augustin Simmel Ndiaye

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.