Date | Bishop | Bishop Jubilarian |
| 2012 | 25 years as bishop |   Bishop Joseph Zong Huai-de (宗懷德) |
| 2012.01.01 | 25 years as priest |   Bishop Tomé Ferreira da Silva |
| 2012.01.03 | 25 years as priest |  Bishop Edward M. Rice |
| 2012.01.06 | 25 years as bishop |   Cardinal Gilberto Agustoni |
| 2012.01.06 | 25 years as bishop |   Bishop George Biguzzi, S.X. |
| 2012.01.06 | 25 years as bishop |  Bishop Julio Edgar Cabrera Ovalle |
| 2012.01.06 | 25 years as bishop |  Bishop Emmanuel A. Mapunda |
| 2012.01.06 | 25 years as bishop |  Bishop William Jerome McCormack |
| 2012.01.06 | 25 years as bishop |  Bishop Dominic Su Haw Chiu |
| 2012.01.06 | 25 years as bishop |  Bishop Joseph Sangval Surasarang |
| 2012.01.06 | 50 years as bishop | Bishop José Mauro Ramalho de Alarcón Santiago |
| 2012.01.06 | 50 years as priest |   Archbishop Etienne Nguyễn Như Thể |
| 2012.01.06 | 50 years as priest |  Bishop Rodrigo Orlando Cabrera Cuéllar |
| 2012.01.10 | 25 years as priest |  Bishop Alphonse Liguori Chaupa |
| 2012.01.10 | 25 years as priest |  Bishop Carmelo Cuttitta |
| 2012.01.10 | 60 years as priest | Bishop Thomas Vose Daily |
| 2012.01.11 | 25 years as bishop |  Bishop Martin Luluga |
| 2012.01.14 | 50 years as priest |  Archbishop Józef Kowalczyk |
| 2012.01.15 | 25 years as bishop |  Archbishop Ernesto Antolin Salgado |
| 2012.01.20 | 60 years as priest |  Bishop José Francisco Moreira dos Santos, O.F.M. Cap. |
| 2012.01.25 | 25 years as bishop |  Archbishop Louis Kébreau, S.D.B. |
| 2012.01.25 | 25 years as bishop | Bishop Joseph Lafontant |
| 2012.01.25 | 25 years as priest |  Bishop Victor Lyngdoh |
| 2012.01.26 | 50 years as priest |  Bishop Louis Mbwôl-Mpasi, O.M.I. |
| 2012.01.27 | 60 years as priest |  Bishop Lorenzo León Alvarado |
| 2012.01.28 | 50 years as priest |  Archbishop William Joseph Kurtz, S.V.D. |
| 2012.01.31 | 25 years as priest | Bishop Bernabé de Jesús Sagastume Lemus, O.F.M. Cap. |
| 2012.02.01 | 25 years as bishop |  Bishop Adalberto Arturo Rosat, O.F.M. |
| 2012.02.02 | 25 years as priest |  Bishop José Miguel Gómez Rodríguez |
| 2012.02.07 | 25 years as bishop |  Bishop Karl Reger |
| 2012.02.10 | 50 years as priest | Archbishop Oscar V. Cruz |
| 2012.02.11 | 50 years as bishop | Bishop Gregorio Garavito Jiménez, S.M.M. |
| 2012.02.11 | 50 years as priest | Bishop François Colímon, S.M.M. |
| 2012.02.11 | 50 years as priest |  Bishop Anthony Hampden Dickson |
| 2012.02.15 | 25 years as bishop | Bishop Piotr Skucha |
| 2012.02.16 | 50 years as priest |  Archbishop Patrick Altham Kelly |
| 2012.02.17 | 60 years as priest | Bishop John Adel Elya |
| 2012.02.20 | 25 years as priest |  Bishop Bejoy Nicephorus D’Cruze, O.M.I. |
| 2012.02.22 | 25 years as bishop | Bishop Joseph Pastor Neelankavil, C.M.I. |
| 2012.02.23 | 25 years as bishop | Bishop Armando Xavier Ochoa |
| 2012.02.24 | 25 years as bishop |  Bishop Jean-Louis Plouffe |
| 2012.02.25 | 25 years as bishop | Bishop George Edward Rueger |
| 2012.02.26 | 25 years as bishop | Bishop Mathew Vattackuzhy |
| 2012.02.28 | 25 years as bishop | Bishop José Ramón Gurruchaga Ezama, S.D.B. |
| 2012.03.01 | 25 years as bishop | Bishop Lucas Kerketta, S.V.D. |
| 2012.03.02 | 25 years as bishop | Archbishop Daniel Mark Buechlein, O.S.B. |
| 2012.03.04 | 50 years as priest |  Bishop Alberto Jara Franzoy |
| 2012.03.08 | 60 years as priest |  Archbishop Joseph Mercieca |
| 2012.03.08 | 60 years as priest |  Bishop Ignacio Nazareno Trejos Picado |
| 2012.03.12 | 25 years as bishop | Archbishop Thumma Bala |
| 2012.03.15 | 70 years as priest | Bishop Javier Naranjo Villegas |
| 2012.03.16 | 25 years as bishop | Bishop Leopoldo Sumaylo Tumulak |
| 2012.03.16 | 60 years as priest | Bishop Francesco Saverio Salerno |
| 2012.03.17 | 25 years as bishop |  Bishop John Magee, S.P.S. |
| 2012.03.17 | 25 years as bishop | Bishop Leonardo Yuzon Medroso |
| 2012.03.17 | 50 years as priest | Bishop Enzo Dieci |
| 2012.03.17 | 50 years as priest | Bishop John Magee, S.P.S. |
| 2012.03.18 | 50 years as priest | Archbishop Antonio Maria Vegliò |
| 2012.03.18 | 50 years as priest | Bishop Adam Lepa |
| 2012.03.19 | 25 years as bishop | Archbishop Tito Solari Capellari, S.D.B. |
| 2012.03.19 | 25 years as bishop | Bishop Colin Campbell |
| 2012.03.19 | 50 years as bishop |  Bishop Roberto Reinaldo Cáceres González |
| 2012.03.19 | 25 years as priest |  Bishop Adolfo Miguel Castaño Fonseca |
| 2012.03.19 | 50 years as priest |  Bishop Joseph Atsumi Misue (ヨゼフ三末篤實) |
| 2012.03.21 | 25 years as bishop | Bishop Jacques Berthelet, C.S.V. |
| 2012.03.21 | 25 years as priest |  Bishop Gustavo Bombin Espino, O.SS.T. |
| 2012.03.25 | 25 years as bishop | Bishop Raffaele Castielli |
| 2012.03.25 | 25 years as bishop | Bishop Julio María Elías Montoya, O.F.M. |
| 2012.03.25 | 25 years as bishop | Bishop Héctor Luis Gutiérrez Pabón |
| 2012.03.25 | 25 years as bishop | Bishop Stanisław Kędziora |
| 2012.03.25 | 50 years as priest |  Bishop Ad Abi Karam |
| 2012.03.25 | 50 years as priest |  Bishop Alfonso Milián Sorribas |
| 2012.03.29 | 25 years as bishop | Bishop Camilo Diaz Gregorio |
| 2012.03.29 | 60 years as priest |  Bishop Jacques Marie Sébastien de Saint-Blanquat |
| 2012.03.29 | 60 years as priest | Bishop Protacio G. Gungon |
| 2012.03.29 | 60 years as priest | Bishop Paul-Werner Scheele |
| 2012.04.01 | 25 years as bishop | Bishop William Edwin Franklin |
| 2012.04.01 | 25 years as priest | Bishop Jean Marie Vũ Tất |
| 2012.04.04 | 25 years as bishop | Archbishop Bruno Schettino |
| 2012.04.05 | 25 years as bishop | Bishop José Luís Azcona Hermoso, O.A.R. |
| 2012.04.07 | 50 years as priest | Bishop Luis Morgan Casey |
| 2012.04.07 | 50 years as priest | Bishop Dinualdo D. Gutierrez |
| 2012.04.07 | 50 years as priest | Bishop Vicente Macanan Navarra |
| 2012.04.07 | 50 years as priest | Bishop Donald Walter Trautman |
| 2012.04.08 | 50 years as priest |  Bishop Francis Némé Baïssari |
| 2012.04.08 | 50 years as priest | Bishop André Louis Fort |
| 2012.04.10 | 25 years as priest | Bishop Ricardo Lingan Baccay |
| 2012.04.12 | 25 years as bishop | Bishop Amédée Grab, O.S.B. |
| 2012.04.12 | 60 years as priest | Archbishop Luigi De Magistris |
| 2012.04.12 | 60 years as priest | Archbishop Pier Giacomo De Nicolò |
| 2012.04.12 | 60 years as priest | Archbishop Paolo Giglio |
| 2012.04.14 | 50 years as priest | Bishop Pierre Jean Marie Marcel Molères |
| 2012.04.18 | 50 years as priest |  Archbishop Sigitas Tamkevičius, S.J. |
| 2012.04.19 | 25 years as bishop |  Bishop Jan De Bie |
| 2012.04.21 | 70 years as priest | Cardinal Giovanni Cheli |
| 2012.04.22 | 50 years as priest |  Bishop Amancio Escapa Aparicio, O.C.D. |
| 2012.04.23 | 50 years as priest | Archbishop Luis Abilio Sebastiani Aguirre, S.M. |
| 2012.04.25 | 25 years as bishop |  Bishop Gerard Sithunywa Ndlovu |
| 2012.04.25 | 50 years as priest | Bishop Álvaro Efrén Rincón Rojas, C.SS.R. |
| 2012.04.26 | 25 years as bishop |  Archbishop Simon-Victor Tonyé Bakot |
| 2012.04.26 | 25 years as bishop |  Bishop Kurt Krenn |
| 2012.04.26 | 25 years as bishop | Bishop Gabriel Simo |
| 2012.04.27 | 25 years as bishop | Archbishop Alberto Tricarico |
| 2012.04.28 | 50 years as priest | Bishop Mathew Cheriankunnel, P.I.M.E. |
| 2012.04.29 | 50 years as priest |  Bishop Franghískos Papamanólis, O.F.M. Cap. |
| 2012.04.30 | 50 years as priest | Archbishop George Hugh Niederauer |
| 2012.05.01 | 50 years as priest | Cardinal Roger Michael Mahony |
| 2012.05.01 | 60 years as priest | Bishop Raymond Emil Goedert |
| 2012.05.02 | 25 years as priest | Bishop William Terrence McGrattan |
| 2012.05.05 | 25 years as bishop | Bishop Roger Francis Crispan Hollis |
| 2012.05.08 | 25 years as priest | Bishop Martin David Holley |
| 2012.05.09 | 25 years as bishop | Archbishop Washington Cruz, C.P. |
| 2012.05.09 | 25 years as priest | Bishop Thomas Anthony Daly |
| 2012.05.09 | 25 years as priest | Bishop Anthonisamy Neethinathan |
| 2012.05.10 | 60 years as priest | Archbishop Francis Bible Schulte |
| 2012.05.10 | 60 years as priest | Bishop Louis Anthony DeSimone |
| 2012.05.11 | 60 years as priest | Archbishop Maroun Khoury Sader |
| 2012.05.12 | 50 years as priest | Bishop Arthur Nicholas Tafoya |
| 2012.05.13 | 25 years as bishop | Bishop Braulio Sáez Garcia, O.C.D. |
| 2012.05.13 | 25 years as priest | Bishop Luc Ravel, C.R.S.V. |
| 2012.05.15 | 25 years as priest | Bishop Murray Chatlain |
| 2012.05.16 | 25 years as priest | Bishop Frank J. Caggiano |
| 2012.05.17 | 25 years as bishop | Bishop Alphonsus F. D’Souza, S.J. |
| 2012.05.19 | 25 years as priest | Bishop Silvio Siripong Charatsri |
| 2012.05.19 | 50 years as priest | Bishop Edward Peter Cullen |
| 2012.05.19 | 50 years as priest | Bishop Kenneth Donald Steiner |
| 2012.05.20 | 25 years as bishop | Bishop Joseph Victor Adamec |
| 2012.05.20 | 50 years as priest | Bishop Józef Zawitkowski |
| 2012.05.21 | 25 years as bishop |  Cardinal George Pell |
| 2012.05.21 | 25 years as bishop | Bishop Peter Joseph Connors |
| 2012.05.22 | 60 years as priest | Bishop Cesar C. Raval, S.V.D. |
| 2012.05.23 | 25 years as priest | Archbishop Richard William Smith |
| 2012.05.23 | 25 years as priest | Bishop Marek Mendyk |
| 2012.05.23 | 25 years as priest | Bishop William Charles Skurla |
| 2012.05.24 | 25 years as priest | Bishop Wiesław Lechowicz |
| 2012.05.24 | 60 years as priest | Bishop Juan Conway McNabb, O.S.A. |
| 2012.05.25 | 60 years as priest | Bishop Michel Hrynchyshyn, C.SS.R. |
| 2012.05.26 | 50 years as priest | Bishop Vital Massé |
| 2012.05.26 | 60 years as priest | Bishop David Edward Foley |
| 2012.05.28 | 25 years as bishop |  Archbishop José María Arancibia |
| 2012.05.28 | 25 years as bishop | Bishop Martin Gächter |
| 2012.05.28 | 25 years as priest | Archbishop Marek Solczyński |
| 2012.05.30 | 25 years as priest | Bishop Bryan Joseph Bayda, C.SS.R. |
| 2012.05.30 | 25 years as priest | Bishop Rogatus Kimaryo, C.S.Sp. |
| 2012.05.30 | 25 years as priest | Bishop Charles C. Thompson |
| 2012.05.30 | 70 years as priest | Bishop Silvério Jarbas Paulo de Albuquerque, O.F.M. |
| 2012.05.30 | 70 years as priest | Bishop Maffeo Giovanni Ducoli |
| 2012.05.31 | 50 years as priest |  Bishop József Tempfli |
| 2012.05.31 | 60 years as priest | Archbishop Elías Yanes Alvarez |
| 2012.05.31 | 60 years as priest | Bishop David Arias Pérez, O.A.R. |
| 2012.05.31 | 60 years as priest | Bishop Pedro Casaldáliga Plá, C.M.F. |
| 2012.06.03 | 25 years as bishop |  Bishop John Basil Meeking |
| 2012.06.07 | 25 years as priest | Bishop Castor Paul Msemwa |
| 2012.06.07 | 60 years as priest | Bishop Anthony Gerard Bosco |
| 2012.06.07 | 60 years as priest | Bishop Eugène Philippe LaRocque |
| 2012.06.07 | 60 years as priest | Bishop Angelo Mascheroni |
| 2012.06.07 | 60 years as priest | Bishop Rafael Torija de la Fuente |
| 2012.06.10 | 50 years as bishop |  Archbishop Robert-Casimir Tonyui Messan Dosseh-Anyron |
| 2012.06.10 | 50 years as priest |  Archbishop Basile Georges Casmoussa |
| 2012.06.10 | 50 years as priest | Archbishop Stanisław Wojciech Wielgus |
| 2012.06.10 | 50 years as priest | Archbishop Hanna Zora |
| 2012.06.11 | 25 years as bishop | Bishop John Baptist Sequeira |
| 2012.06.12 | 25 years as bishop | Bishop Pierre Joseph Paul Morissette |
| 2012.06.12 | 60 years as priest | Bishop John Aloysius Mone |
| 2012.06.13 | 25 years as bishop | Archbishop Francesco Cacucci |
| 2012.06.13 | 25 years as priest | Bishop John Sherrington |
| 2012.06.13 | 50 years as priest | Bishop Silvano Montevecchi |
| 2012.06.14 | 25 years as priest |  Archbishop Cyril Vasil’, S.J. |
| 2012.06.14 | 60 years as priest | Archbishop Stephen Sulyk |
| 2012.06.16 | 25 years as priest | Bishop Peter Rusnák |
| 2012.06.16 | 50 years as priest | Bishop Jacques Berthelet, C.S.V. |
| 2012.06.16 | 50 years as priest |  Bishop Martinus Petrus Maria Muskens |
| 2012.06.16 | 50 years as priest | Bishop John Rawsthorne |
| 2012.06.17 | 50 years as priest | Bishop Christopher Jones |
| 2012.06.20 | 25 years as priest | Bishop Joseph Befe Ateba |
| 2012.06.20 | 25 years as priest | Bishop Jean-Marie Benoît Balla |
| 2012.06.21 | 25 years as bishop |  Archbishop Telesphore George Mpundu |
| 2012.06.21 | 70 years as priest | Archbishop Ignacy Tokarczuk |
| 2012.06.23 | 25 years as priest | Bishop Isabelo Caiban Abarquez |
| 2012.06.24 | 25 years as priest |  Bishop Jan Niemiec |
| 2012.06.24 | 50 years as priest | Archbishop Marian Gołębiewski |
| 2012.06.24 | 50 years as priest | Bishop Gerard Alfons Kusz |
| 2012.06.24 | 50 years as priest | Bishop Eugène Tremblay |
| 2012.06.24 | 60 years as priest | Bishop Jacques Joseph Marie Despierre, Ist. del Prado |
| 2012.06.24 | 60 years as priest | Bishop Manfred Müller |
| 2012.06.25 | 25 years as priest | Bishop Jacob Venance Koda |
| 2012.06.26 | 25 years as bishop | Archbishop John Lee Hiong Fun-Yit Yaw |
| 2012.06.27 | 25 years as bishop | Bishop Rodolfo Francisco Bobadilla Mata, C.M. |
| 2012.06.27 | 25 years as priest | Bishop Pascal Jean Marcel Wintzer |
| 2012.06.28 | 25 years as bishop | Bishop Marcel Paul Herriot |
| 2012.06.28 | 25 years as priest |  Bishop Vincent Matthew Darius, O.P. |
| 2012.06.28 | 25 years as priest | Bishop Ivo Muser |
| 2012.06.28 | 50 years as priest | Bishop Emilio Patriarca |
| 2012.06.28 | 60 years as priest | Archbishop Franco Festorazzi |
| 2012.06.28 | 70 years as priest | Bishop Jorge Scarso, O.F.M. Cap. |
| 2012.06.29 | 25 years as bishop | Archbishop Brendan Michael O’Brien |
| 2012.06.29 | 25 years as priest |  Archbishop Petar Rajič |
| 2012.06.29 | 25 years as priest |  Bishop Anton Jamnik |
| 2012.06.29 | 25 years as priest | Bishop Ägidius Zsifkovics |
| 2012.06.29 | 50 years as priest | Archbishop Cyrille Salim Bustros, M.S.P. |
| 2012.06.29 | 50 years as priest | Archbishop Francesco Coccopalmerio |
| 2012.06.29 | 50 years as priest | Archbishop Giuseppe Molinari |
| 2012.06.29 | 50 years as priest | Archbishop Jesús Gervasio Pérez Rodríguez, O.F.M. |
| 2012.06.29 | 50 years as priest | Bishop Martino Canessa |
| 2012.06.29 | 50 years as priest | Bishop Lorenzo Cárdenas Aregullín |
| 2012.06.29 | 50 years as priest | Bishop Carlo Ellena |
| 2012.06.29 | 50 years as priest |  Bishop Pietro Gabrielli, S.D.B. |
| 2012.06.29 | 50 years as priest | Bishop Brian Heenan |
| 2012.06.29 | 50 years as priest | Bishop Dominique Kimpinde Amando |
| 2012.06.29 | 50 years as priest |  Bishop Luis Alfonso Márquez Molina, C.I.M. |
| 2012.06.29 | 60 years as priest | Cardinal Francesco Marchisano |
| 2012.06.29 | 60 years as priest |  Cardinal Elio Sgreccia |
| 2012.06.29 | 60 years as priest | Bishop Giacomo Barabino |
| 2012.06.29 | 60 years as priest | Bishop Giacomo Capuzzi |
| 2012.06.29 | 60 years as priest |  Bishop Michael J. Cleary, C.S.Sp. |
| 2012.06.29 | 60 years as priest | Bishop Alberto Johannes Först, O. Carm. |
| 2012.06.29 | 60 years as priest | Bishop John C. O’Riordan, C.S.Sp. |
| 2012.06.29 | 60 years as priest | Bishop Natalino Pescarolo |
| 2012.06.29 | 60 years as priest | Bishop Giovanni Volta |
| 2012.06.30 | 50 years as priest | Bishop Denis George Browne |
| 2012.06.30 | 50 years as priest | Bishop Xavier Gilles de Maupeou d’Ableiges |
| 2012.06.30 | 50 years as priest | Bishop Lucien Fruchaud |
| 2012.06.30 | 50 years as priest | Bishop Bellino Giusto Ghirard |
| 2012.06.30 | 50 years as priest | Bishop Hans-Georg Koitz |
| 2012.06.30 | 60 years as priest | Bishop François-Marie-Christian Favreau |
| 2012.07.01 | 25 years as bishop | Bishop Rudolf Müller |
| 2012.07.01 | 50 years as priest | Bishop Ramón Calderón Batres |
| 2012.07.01 | 50 years as priest | Bishop Antonio Camilo González |
| 2012.07.01 | 50 years as priest | Bishop František Tondra |
| 2012.07.04 | 25 years as bishop |  Bishop Endre Gyulay |
| 2012.07.04 | 25 years as priest |  Bishop Felix Femi Ajakaye |
| 2012.07.04 | 25 years as priest |  Bishop Nuno Brás da Silva Martins |
| 2012.07.04 | 25 years as priest | Bishop Charles Hammawa |
| 2012.07.05 | 25 years as bishop | Archbishop Eurico dos Santos Veloso |
| 2012.07.05 | 25 years as bishop | Bishop Julio Ojeda Pascual, O.F.M. |
| 2012.07.06 | 60 years as priest | Bishop Dante Frasnelli Tarter, O.S.I. |
| 2012.07.08 | 50 years as priest | Bishop Hugh Christopher Budd |
| 2012.07.08 | 50 years as priest | Bishop Antônio Gaspar |
| 2012.07.08 | 50 years as priest | Bishop Aloysius Jousten |
| 2012.07.08 | 50 years as priest |  Bishop Valter Župan |
| 2012.07.09 | 50 years as priest | Bishop Reginald Michael Cawcutt |
| 2012.07.11 | 25 years as bishop | Bishop István Konkoly |
| 2012.07.11 | 25 years as priest | Archbishop Joseph Atanga, S.J. |
| 2012.07.12 | 25 years as bishop | Bishop Serafino Faustino Spreafico, O.F.M. Cap. |
| 2012.07.12 | 25 years as priest |  Archbishop Yasser Ayyach |
| 2012.07.13 | 60 years as priest | Cardinal Carlo Maria Martini, S.J. |
| 2012.07.13 | 60 years as priest | Archbishop Gabino Díaz Merchán |
| 2012.07.13 | 60 years as priest |  Bishop Colin Cameron Davies, M.H.M. |
| 2012.07.13 | 60 years as priest | Bishop Antonino Orrù |
| 2012.07.15 | 50 years as priest | Bishop Giuseppe Rocco Favale |
| 2012.07.15 | 50 years as priest | Bishop Diogo Reesink, O.F.M. |
| 2012.07.15 | 50 years as priest | Bishop Irineu Silvio Wilges, O.F.M. |
| 2012.07.16 | 60 years as priest | Bishop Georges Abi-Saber, O.L.M. |
| 2012.07.18 | 25 years as bishop |  Bishop Anthony Leopold Raymond Peiris |
| 2012.07.18 | 25 years as priest | Bishop Ibrahim Michael Ibrahim, B.S. |
| 2012.07.18 | 25 years as priest | Bishop Jörg Michael Peters |
| 2012.07.19 | 25 years as bishop | Archbishop George Riashi, B.C. |
| 2012.07.20 | 60 years as priest | Bishop Pedro Luís António |
| 2012.07.20 | 60 years as priest | Bishop Franz Josef Kuhnle |
| 2012.07.20 | 60 years as priest | Bishop Fulgence Werner Le Roy, O.S.B. |
| 2012.07.21 | 50 years as priest | Bishop David Louis Walker |
| 2012.07.22 | 25 years as priest | Bishop Stephanus Tri Bửu Thiên |
| 2012.07.22 | 50 years as priest | Archbishop José Guadalupe Martín Rábago |
| 2012.07.22 | 50 years as priest | Archbishop Giovanni Battista Morandini |
| 2012.07.22 | 50 years as priest | Bishop Jérôme Owono-Mimboe |
| 2012.07.24 | 70 years as priest | Bishop Gregorio Garavito Jiménez, S.M.M. |
| 2012.07.25 | 25 years as bishop | Archbishop István Seregély |
| 2012.07.25 | 25 years as bishop | Bishop Leo Murphy Drona, S.D.B. |
| 2012.07.25 | 25 years as bishop | Bishop Romeo Tovar Astorga, O.F.M. |
| 2012.07.25 | 50 years as bishop | Bishop Jacques Landriault |
| 2012.07.25 | 25 years as priest |  Bishop Justin Kientega |
| 2012.07.25 | 50 years as priest | Bishop Vladimír Filo |
| 2012.07.25 | 60 years as priest | Bishop Ernst Franz Gerd Werner Dicke |
| 2012.07.25 | 60 years as priest | Bishop Vincenzo Zarri |
| 2012.07.26 | 50 years as priest | Bishop Franz Vorrath |
| 2012.07.26 | 70 years as priest | Bishop John Baptist Liu Jing-shan (劉静山) |
| 2012.07.29 | 25 years as bishop | Bishop Reynald Rouleau, O.M.I. |
| 2012.07.29 | 50 years as priest | Cardinal Julio Terrazas Sandoval, C.SS.R. |
| 2012.07.29 | 50 years as priest | Archbishop Carlo Liberati |
| 2012.08.02 | 25 years as bishop |  Bishop Hilarius Moa Nurak, S.V.D. |
| 2012.08.02 | 25 years as priest |  Bishop Ignace Bessi Dogbo |
| 2012.08.03 | 60 years as priest | Archbishop Eduardo Vicente Mirás |
| 2012.08.05 | 50 years as bishop | Bishop Chi Min-yuan (郗民援) |
| 2012.08.06 | 60 years as priest | Bishop Max Georg von Twickel |
| 2012.08.08 | 25 years as bishop | Bishop Bosco Penha |
| 2012.08.08 | 25 years as priest | Bishop Nicodème Anani Barrigah-Benissan |
| 2012.08.08 | 25 years as priest | Bishop Callistus Valentine Onaga |
| 2012.08.08 | 25 years as priest | Bishop Alexis Touabli Youlo |
| 2012.08.11 | 50 years as priest | Bishop Manuel Antonio Valarezo Luzuriaga, O.F.M. |
| 2012.08.12 | 50 years as priest | Bishop José de Jesús Nuñez Viloria |
| 2012.08.14 | 25 years as priest | Bishop Tomislav Koljatic Maroevic |
| 2012.08.15 | 25 years as bishop |  Bishop Amando Samo |
| 2012.08.15 | 50 years as priest | Archbishop Luigi Travaglino |
| 2012.08.15 | 60 years as priest | Bishop Arturo Lona Reyes |
| 2012.08.15 | 60 years as priest | Bishop Agostinho José Sartori, O.F.M. Cap. |
| 2012.08.16 | 25 years as bishop | Archbishop Lawrence Patrick Henry |
| 2012.08.19 | 25 years as bishop | Bishop Jose Ricare Manguiran |
| 2012.08.19 | 50 years as priest | Bishop José Alberto Rozo Gutiérrez, S.M.M. |
| 2012.08.20 | 60 years as priest | Bishop Paulo Antonino Mascarenhas Roxo, O. Praem. |
| 2012.08.22 | 50 years as bishop | Cardinal Duraisamy Simon Lourdusamy |
| 2012.08.22 | 50 years as bishop | Bishop Anselmo Zarza Bernal |
| 2012.08.23 | 25 years as bishop | Bishop Thomas Bhalerao, S.J. |
| 2012.08.24 | 25 years as bishop | Archbishop Jerome George Hanus, O.S.B. |
| 2012.08.24 | 25 years as bishop | Bishop William Kenney, C.P. |
| 2012.08.24 | 60 years as priest | Archbishop Ignatius Paul Pinto |
| 2012.08.24 | 60 years as priest | Bishop Paulius Antanas Baltakis, O.F.M. |
| 2012.08.24 | 60 years as priest | Bishop Maxwell Valentine Noronha |
| 2012.08.26 | 50 years as priest | Archbishop Luis Sáinz Hinojosa, O.F.M. |
| 2012.08.26 | 50 years as priest | Bishop José Roberto López Londoño |
| 2012.08.29 | 25 years as priest | Bishop Edney Gouvêa Mattoso |
| 2012.08.30 | 25 years as bishop | Bishop Edward Francis |
| 2012.08.30 | 50 years as bishop | Archbishop Raymond Gerhardt Hunthausen |
| 2012.09.03 | 25 years as bishop | Archbishop John Joseph Myers |
| 2012.09.03 | 25 years as priest |  Archbishop Joseph Soueif |
| 2012.09.05 | 25 years as bishop | Archbishop Beniamino Stella |
| 2012.09.05 | 25 years as bishop | Bishop René Séjourné |
| 2012.09.05 | 25 years as priest | Bishop Gerard Johannes Nicolaus de Korte |
| 2012.09.05 | 25 years as priest | Bishop Milton Kenan Júnior |
| 2012.09.06 | 25 years as bishop | Archbishop John Wu Shi-zhen (吳仕珍) |
| 2012.09.06 | 25 years as bishop | Bishop Jérôme Owono-Mimboe |
| 2012.09.06 | 25 years as priest | Bishop Valdemir Ferreira dos Santos |
| 2012.09.06 | 60 years as priest | Bishop Peter Baptist Tadamaro Ishigami, O.F.M. Cap. (ペトロ・バプティスタ石神忠真郎) |
| 2012.09.08 | 50 years as priest | Archbishop Jean-Marie Untaani Compaoré |
| 2012.09.08 | 50 years as priest |  Archbishop Gregory Ebolawola Kpiebaya |
| 2012.09.08 | 50 years as priest | Archbishop Anselme Titianma Sanon |
| 2012.09.08 | 50 years as priest | Bishop Wenceslas Compaoré |
| 2012.09.09 | 50 years as priest | Archbishop James Spaita |
| 2012.09.12 | 50 years as bishop | Bishop Myles McKeon |
| 2012.09.14 | 60 years as priest | Bishop Paul Shinichi Itonaga (パウロ糸永真一) |
| 2012.09.17 | 25 years as priest | Archbishop Mieczysław Mokrzycki |
| 2012.09.19 | 25 years as bishop | Bishop Giacomo Babini |
| 2012.09.20 | 25 years as bishop | Bishop Claude Jean Pierre Dagens |
| 2012.09.22 | 50 years as priest | Archbishop José María Arancibia |
| 2012.09.22 | 50 years as priest | Archbishop Eurico dos Santos Veloso |
| 2012.09.22 | 50 years as priest | Bishop Horacio Ernesto Benites Astoul |
| 2012.09.22 | 50 years as priest | Bishop Waldemar Chaves de Araújo |
| 2012.09.22 | 50 years as priest | Bishop Omar Félix Colomé |
| 2012.09.22 | 50 years as priest | Bishop Héctor Luis Gutiérrez Pabón |
| 2012.09.30 | 50 years as priest |  Bishop Lucien Prosper Ernest Fischer, C.S.Sp. |
| 2012.10.03 | 25 years as bishop | Bishop Gioacchino Illiano |
| 2012.10.03 | 25 years as priest | Archbishop Augustine Obiora Akubeze |
| 2012.10.03 | 50 years as priest | Archbishop Joseph Powathil |
| 2012.10.04 | 25 years as bishop | Archbishop Francis Kallarakal |
| 2012.10.04 | 25 years as bishop | Bishop Guy Claude Bagnard |
| 2012.10.04 | 25 years as priest | Bishop Miguel Olaortúa Laspra, O.S.A. |
| 2012.10.05 | 60 years as priest | Bishop Joaquim Rufino do Rêgo |
| 2012.10.07 | 50 years as priest | Bishop Kurt Krenn |
| 2012.10.07 | 50 years as priest | Bishop Paolo Urso |
| 2012.10.10 | 25 years as priest | Archbishop Antonio Guido Filipazzi |
| 2012.10.10 | 25 years as priest | Bishop Stephan Ackermann |
| 2012.10.10 | 25 years as priest | Bishop Jean-Marie Le Vert |
| 2012.10.11 | 25 years as bishop | Bishop Pierre René Ferdinand Raffin, O.P. |
| 2012.10.11 | 70 years as priest | Bishop Maurice Paul Delorme, Ist. del Prado |
| 2012.10.12 | 25 years as bishop | Archbishop João Bosco Oliver de Faria |
| 2012.10.17 | 25 years as priest | Bishop Raúl Antonio Martínez Paredes |
| 2012.10.18 | 25 years as bishop | Bishop Marco Ferrari |
| 2012.10.24 | 25 years as priest | Bishop Mikaël Antoine Mouradian, I.C.P.B. |
| 2012.10.26 | 60 years as priest | Cardinal Darío Castrillón Hoyos |
| 2012.10.27 | 25 years as priest | Bishop Joseph Mairura Okemwa |
| 2012.10.28 | 50 years as priest | Bishop John Hine |
| 2012.11.07 | 25 years as bishop | Cardinal Giovanni Battista Re |
| 2012.11.21 | 25 years as priest | Bishop Daniel Fernando Sturla Berhouet, S.D.B. |
| 2012.11.24 | 25 years as priest | Bishop Hugo Alberto Torres Marín |
| 2012.11.28 | 25 years as bishop | Archbishop Giuseppe Bertello |
| 2012.11.29 | 25 years as priest | Bishop Oscar Omar Aparicio Céspedes |
| 2012.11.30 | 60 years as priest | Bishop José Goncalves Heleno |
| 2012.11.30 | 60 years as priest | Bishop Jacó Roberto Hilgert |
| 2012.12.01 | 25 years as bishop | Bishop Maximiano Tuazon Cruz |
| 2012.12.02 | 50 years as priest | Archbishop Luis Morales Reyes |
| 2012.12.04 | 25 years as priest |  Bishop Jean Bosco Baremes |
| 2012.12.06 | 25 years as priest | Bishop Otacílio Luziano Da Silva |
| 2012.12.07 | 25 years as bishop | Archbishop Giuseppe Mani |
| 2012.12.07 | 25 years as bishop | Bishop Luca Brandolini, C.M. |
| 2012.12.08 | 25 years as bishop | Archbishop Enrico Masseroni |
| 2012.12.08 | 25 years as bishop |  Bishop Raymond Saw Po Ray |
| 2012.12.08 | 25 years as priest | Bishop Joseph Ðặng Ðức Ngân |
| 2012.12.08 | 25 years as priest | Bishop Héctor Eduardo Vera Colona |
| 2012.12.08 | 60 years as priest | Bishop Francisco Manuel Vieira |
| 2012.12.12 | 25 years as priest | Bishop Remigiose Inchananiyil |
| 2012.12.13 | 25 years as bishop | Archbishop Thierry Romain Camille Jordan |
| 2012.12.13 | 25 years as bishop | Bishop Jacques Moïse Eugène Noyer |
| 2012.12.13 | 25 years as priest | Bishop Damián Santiago Bitar |
| 2012.12.14 | 50 years as bishop | Bishop Remi Joseph De Roo |
| 2012.12.16 | 50 years as priest | Bishop Ireneo A. Amantillo, C.SS.R. |
| 2012.12.16 | 50 years as priest |  Bishop Paulino do Livramento Évora, C.S.Sp. |
| 2012.12.16 | 50 years as priest |  Bishop Claudio Silvero Acosta, S.C.I. |
| 2012.12.17 | 25 years as priest | Bishop Gabino Miranda Melgarejo |
| 2012.12.19 | 50 years as priest | Archbishop Henry Joseph Mansell |
| 2012.12.19 | 50 years as priest | Bishop Matthew Harvey Clark |
| 2012.12.19 | 70 years as priest | Bishop Odo Fusi Pecci |
| 2012.12.20 | 25 years as bishop | Archbishop Braulio Rodríguez Plaza |
| 2012.12.20 | 25 years as priest | Bishop Jesús José Herrera Quiñonez |
| 2012.12.20 | 60 years as priest | Cardinal Alexandre do Nascimento |
| 2012.12.20 | 60 years as priest | Archbishop Daniel Anthony Cronin |
| 2012.12.20 | 60 years as priest | Bishop Robert Joseph Banks |
| 2012.12.20 | 60 years as priest | Bishop Mario Renato Cornejo Radavero |
| 2012.12.20 | 70 years as priest | Bishop Douglas Joseph Warren |
| 2012.12.21 | 50 years as priest | Bishop Agnelo Rufino Gracias |
| 2012.12.21 | 50 years as priest |  Bishop Joseph Kyeong Kap-ryong (경갑룡 요셉) |
| 2012.12.21 | 60 years as priest |  Cardinal Emmanuel III Delly |
| 2012.12.22 | 50 years as priest | Cardinal Joachim Meisner |
| 2012.12.22 | 50 years as priest | Archbishop Lawrence Patrick Henry |
| 2012.12.22 | 50 years as priest | Bishop José Luis Amezcua Melgoza |
| 2012.12.22 | 50 years as priest | Bishop Benedito Beni dos Santos |
| 2012.12.22 | 50 years as priest |  Bishop Januário Machaze Nhangumbe |
| 2012.12.22 | 50 years as priest | Bishop Joseph Sangval Surasarang |
| 2012.12.22 | 50 years as priest | Bishop José Clemente Weber |
| 2012.12.23 | 50 years as priest | Archbishop Paciano Basilio Aniceto |
| 2012.12.23 | 50 years as priest | Bishop Josu Iriondo |
| 2012.12.25 | 60 years as priest | Bishop Manuel Revollo Crespo, C.M.F. |
| 2012.12.27 | 25 years as bishop | Cardinal Lluís Martínez Sistach |
| 2012.12.27 | 25 years as priest | Bishop Paul Alappatt |
| 2012.12.28 | 25 years as priest | Bishop Jose Pandarassery |
| 2012.12.29 | 25 years as priest |  Bishop Georges Fonghoro |
| 2012.12.30 | 50 years as priest | Bishop Ibrahim Namo Ibrahim |
