| Date | Age | Event | Bishop | Title | Current Title |
| 30 Sep 2012 | 66.6 | Installed | Jean-Yves Riocreux | Bishop of Basse-Terre (et Pointe-à-Pitre), Guadeloupe, Antilles |
| 12 Nov 2012 | 83.7 | Died | Michael (Michel) Hrynchyshyn, C.SS.R. † | Apostolic Exarch Emeritus of France (Ukrainian) |
| 1 Dec 2012 | 76.5 | Retired | Alphonse Émile Georger | Bishop of Oran, Algeria | Bishop Emeritus |
| 50.7 | Appointed | Jean-Paul Vesco, O.P. | Bishop of Oran, Algeria |
| 2 Dec 2012 | 52.0 | Installed | Borys Andrij Gudziak | Apostolic Exarch of France (Ukrainian) | Bishop of Saint Wladimir-Le-Grand de Paris (Ukrainian) |
| 10 Dec 2012 | 83.6 | Died | Jacques André Marie Jullien † | Archbishop Emeritus of Rennes (-Dol-Saint-Malo) |
| 15 Dec 2012 | 54.5 | Appointed | Nicolas Henry Marie Denis Thevenin | Titular Archbishop of Aeclanum | Apostolic Nuncio to Guatemala |
| 54.5 | Appointed | Nicolas Henry Marie Denis Thevenin | Apostolic Nuncio | Apostolic Nuncio to Guatemala |
| 27 Dec 2012 | 93.1 | Died | Maurice Paul Delorme, Ist. del Prado † | Auxiliary Bishop Emeritus of Lyon (-Vienne) |
| 5 Jan 2013 | 69.6 | Appointed | Jean-Paul Aimé Gobel | Apostolic Nuncio to Egypt, Arab Republic of |
| 54.6 | Appointed | Nicolas Henry Marie Denis Thevenin | Apostolic Nuncio to Guatemala |
| 6 Jan 2013 | 54.6 | Ordained Bishop | Nicolas Henry Marie Denis Thevenin | Titular Archbishop of Aeclanum | Apostolic Nuncio to Guatemala |
| 15 Jan 2013 | 75.4 | Died | Michel Pollien † | Auxiliary Bishop Emeritus of Paris |
| 19 Jan 2013 | 73.7 | Resigned | Dominique Bonnet, C.S.Sp. | Bishop of Mouila, Gabon | Bishop Emeritus |
| 52.2 | Appointed | Borys Andrij Gudziak | Bishop of Saint Wladimir-Le-Grand de Paris (Ukrainian) |
| 23 Jan 2013 | 90.8 | Died | Jean-Félix-Albert-Marie Vilnet † | Bishop Emeritus of Lille |
| 25 Jan 2013 | 50.9 | Ordained Bishop | Jean-Paul Vesco, O.P. | Bishop of Oran, Algeria |
| 31 Jan 2013 | 64.5 | Appointed | Stanislas Marie Georges Jude Lalanne | Bishop of Pontoise |
| 2 Feb 2013 | 61.9 | Appointed | Michel Aupetit | Auxiliary Bishop of Paris |
| 61.9 | Appointed | Michel Aupetit | Titular Bishop of Maxita | Auxiliary Bishop of Paris |
| 78.2 | Retired | Grégoire (Krikor) Ghabroyan, I.C.P.B. | Bishop of Sainte-Croix-de-Paris (Armenian) | Bishop Emeritus |
| 71.7 | Appointed | Jean Teyrouz, I.C.P.B. | Bishop of Sainte-Croix-de-Paris (Armenian) |
| 5 Feb 2013 | 89.9 | Died | Joseph Théophile Louis Marie Madec † | Bishop Emeritus of Fréjus-Toulon |
| 14 Feb 2013 | 51.4 | Appointed | Laurent Percerou | Bishop of Moulins |
| 28 Feb 2013 | 69.3 | Ceased | Jean-Louis Bruguès, O.P. | Archivist of the Vatican Secret Archives |
| 69.3 | Ceased | Jean-Louis Bruguès, O.P. | Librarian of the Vatican Library | Archivist of the Vatican Secret Archives |
| 92.5 | Died | Jean Marcel Honoré † | Cardinal, Archbishop Emeritus of Tours |
| 69.9 | Ceased | Jean-Louis Pierre Tauran | Cardinal, President of the Pontifical Council for Interreligious Dialogue |
| 1 Mar 2013 | 88.1 | Died | Gabriel Marie Étienne Vanel † | Archbishop Emeritus of Auch (-Condom-Lectoure-Lombez) |
| 16 Mar 2013 | 69.3 | Confirmed | Jean-Louis Bruguès, O.P. | Archivist of the Vatican Secret Archives |
| 69.3 | Confirmed | Jean-Louis Bruguès, O.P. | Librarian of the Vatican Library | Archivist of the Vatican Secret Archives |
| 69.9 | Confirmed | Jean-Louis Pierre Tauran | Cardinal, President of the Pontifical Council for Interreligious Dialogue |
| 31 Mar 2013 | 92.8 | Died | Charles Amarin Brand † | Archbishop Emeritus of Strasbourg |
| 6 Apr 2013 | 64.7 | Installed | Stanislas Marie Georges Jude Lalanne | Bishop of Pontoise |
| 10 Apr 2013 | 90.7 | Died | Lorenzo Antonetti † | Cardinal, President Emeritus of the Administration of the Patrimony of the Apostolic See |
| 14 Apr 2013 | 51.6 | Ordained Bishop | Laurent Percerou | Bishop of Moulins |
| 19 Apr 2013 | 62.1 | Ordained Bishop | Michel Aupetit | Titular Bishop of Maxita | Auxiliary Bishop of Paris |
| 25 Apr 2013 | 71.4 | Resigned | André Jean René Lacrampe, Ist. del Prado | Archbishop of Besançon | Archbishop Emeritus |