Mamiarisoa Modeste Randrianifahanana

Mamiarisoa Modeste Randrianifahanana (born 18 June 1967) is a Madagascan Catholic prelate who serves as Auxiliary Bishop of the Roman Catholic Diocese of Antananarivo, in Madagascar. He was appointed to that position on 26 Jun 2025 by Pope Leo XIV. He was installed at Antananarivo on 21 September 2025. Before that, from 6 September 1997 until 26 June 2025, he was a priest of the same Catholic archdiocese. He was concurrently assigned the title of Titular Bishop of Iucundiana. He was consecrated at Anananarivo on 21 September 2025 by the hands of Jean de Dieu Raoelison, Archbmishop of Antananarivo Archdiocese.

Background and education He was born on 18 June 1967 in Fiakarana, Archdiocese of Antananarivo, Analamanga, Madagascar. He studied philosophy at the Antsirabe Major Seminary in Antsirabe. He then studied theology at the Ambatoroka Major Seminary in Antananarivo.

Priest He was ordained a deacon for the Archdiocese of Antananarivo on 7 August 1996. On 6 September 1997, he was ordained a priest for the same Apostolic See. on both occasions, the Ordinator was Cardinal Armand Gaétan Razafindratandra, Archbishop of Antananarivo. Father Mamiarisoa Modeste Randrianifahanana served as a priest until 26 June 2025. While a priest, he served in various roles and locations, including: