Ordained
Bishop | Years | Name | Current Title |
|---|
| Most Senior |
| 5 Nov 1977 |
| Archbishop Blasco Francisco Collaço | Apostolic Nuncio |
| 4 Nov 1984 |
| Bishop Armand Toasy | Bishop Emeritus of Port-Bergé |
| 1 Nov 1985 |
| Agostino Cardinal Marchetto | Secretary Emeritus of the Dicastery for Promoting Integral Human Development, Roman Curia |
| 11 Dec 1988 |
| Archbishop Michel Malo, Ist. del Prado | Archbishop Emeritus of Antsiranana |
| 18 Nov 1990 |
| Archbishop Fulgence Rabeony, S.J. | Archbishop Emeritus of Toliara |
| 22 Aug 1998 |
| Archbishop Augustine Kasujja | Apostolic Nuncio |
| 11 Apr 1999 |
| Archbishop Odon Marie Arsène Razanakolona | Archbishop Emeritus of Antananarivo |
| 31 Oct 1999 |
| Archbishop Fulgence Rabemahafaly | Archbishop of Fianarantsoa |
| 18 Feb 2001 |
| Désiré Cardinal Tsarahazana | Archbishop of Toamasina |
| 18 Mar 2001 |
| Bishop José Alfredo Caires de Nobrega, S.C.I. | Bishop of Mananjary |
| 5 Aug 2001 |
| Bishop Gaetano Di Pierro, S.C.I. | Bishop Emeritus of Farafangana |
| 2 Sep 2001 |
| Bishop Zygmunt Robaszkiewicz, M.S.F. | Bishop of Mahajanga |
| Most Junior |
| 8 Nov 2026 |
| Father Mariusz Kasperski, O.M.I. | Auxiliary Bishop-Elect of Toamasina |
| 26 Jul 2026 |
| Bishop Jeannot Martial Andrianandrainy | Auxiliary Bishop of Morondava |
| 12 Apr 2026 |
| Bishop Landry Philippe Rasamison, O.F.M. Cap. | Bishop of Port Victoria o Seychelles |
| 21 Sep 2025 |
| Bishop Mamiarisoa Modeste Randrianifahanana | Auxiliary Bishop of Antananarivo |
| 6 Jul 2025 |
| Bishop Marek Ochlak, O.M.I. | Bishop of Fenoarivo Atsinanana |
| 13 Oct 2024 |
| Bishop Orthasie Marcellin Herivonjilalaina | Bishop of Ambatondrazaka |
| 14 Jul 2024 |
| Bishop Clément Hérizo Rakotoasimbola, M.S. | Bishop of Maintirano |
| 12 May 2024 |
| Bishop Jean Claude Rakotoarisoa | Bishop of Miarinarivo |
| 14 Apr 2024 |
| Bishop Jean Désiré Razafinirina | Bishop of Morombe |
| 28 Jan 2024 |
| Bishop Luc Olivier Razafitsimialona | Bishop of Tôlagnaro |
| 2 Jul 2023 |
| Archbishop Jean Nicolas Rakotojaona | Coadjutor Archbishop of Fianarantsoa |
| 15 Jan 2023 |
| Bishop Donatien Francis Randriamalala, M.S. | Bishop of Ambanja |
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