The cardinal electors in the 1963 papal conclave numbered 82, of whom 80 participated. This papal conclave met from 19 to 21 June 1963. This list is arranged by region and within each alphabetically.

Cardinal József Mindszenty refused to leave the U.S. Legation in Budapest where he had lived since 1956 unless the Hungarian government met his demands for religious freedom in Hungary.^[1] Cardinal Carlos María de la Torre of Quito, Ecuador, was 89 years old and could not make the journey because he had suffered a stroke the previous December and was bedridden with thrombosis.^[1][2]

Location of Participating Cardinal Electors

Country	Number of Electors
Italy	29
France	8
Spain	6
United States	5
Brazil, West Germany	3
Argentina, Canada, Portugal	2
Australia, Austria, Belgium, Chile, China, Colombia, India, Ireland, Japan, Mexico, Netherlands, Peru, Philippines, Poland, United Kingdom, Soviet Union, Syria, Tanganyika, Uruguay, Venezuela	1

National origin is noted for a member of the Roman Curia who is not Italian.

1. Gregorio Pietro Agagianian, Prefect of Propagation of the Faith (origin: Soviet Union, Armenian Catholic)
2. Joaquín Albareda y Ramoneda, OSB, Librarian Emeritus of Vatican Library (origin: Spain)
3. Benedetto Aloisi Masella, Camerlengo, Prefect of Discipline of the Sacraments
4. Augustin Bea, SJ, President of Promoting Christian Unity (origin: Germany)
5. Francesco Bracci, Secretary Emeritus of Discipline of the Sacraments
6. Fernando Cento, Major Penitentiary of Apostolic Penitentiary
7. Carlo Chiarlo, Nuncio Emeritus of Brazil
8. Amleto Giovanni Cicognani, Secretary of State, Prefect of Extraordinary Ecclesiastical Affairs
9. Pietro Ciriaci, Prefect of Council
10. Carlo Confalonieri, Secretary of Consistorial
11. Santiago Copello, Chancellor of Apostolic Chancery (origin: Argentina)
12. Giuseppe Ferretto, Secretary of College of Cardinals
13. Paolo Giobbe, Datary of His Holiness
14. William Heard, Dean of the Roman Rota (origin: Scotland)
15. Alberto di Jorio, President of Vatican City State
16. André-Damien-Ferdinand Jullien, PSS, Dean Emeritus of Roman Rota (origin: France)
17. Arcadio Larraona Saralegui, Prefect of Rites (origin: Spain)
18. Paolo Marella, Prefect of St. Peter's Basilica
19. Francesco Morano, Secretary of Apostolic Signatura
20. Alfredo Ottaviani, Secretary of the Holy Office
21. Giuseppe Pizzardo, Prefect of Seminaries and Universities
22. Francesco Roberti, Prefect of Apostolic Signatura
23. Gustavo Testa, Prefect of Oriental Churches
24. Eugène-Gabriel-Gervais-Laurent Tisserant, Dean of the College of Cardinals, Prefect of Ceremonies, Librarian of Vatican Library, Archivist of Vatican Secret Archives (origin: France)
25. Luigi Traglia, Pro-Vicar General of Rome
26. Valerio Valeri, Prefect of Religious

1. Ildebrando Antoniutti, Nuncio to Spain
2. Antonio Bacci, Titular Archbishop of Colonia in Cappadocia
3. Alfonso Castaldo, Archbishop of Naples
4. Efrem Forni, Nuncio emeritus to Belgium and Luxembourg
5. Maurilio Fossati, OSsCGN, Archbishop of Turin
6. Giacomo Lercaro, Archbishop of Bologna
7. Clemente Micara, Vice Dean of College of Cardinals, Vicar General of Rome
8. Giovanni Battista Montini, Archbishop of Milan (was elected Pope and chose the name Paul VI)
9. Ernesto Ruffini, Archbishop of Palermo
10. Giuseppe Siri, Archbishop of Genoa
11. Giovanni Urbani, Patriarch of Venice

1. Maurice Feltin, Archbishop of Paris
2. Pierre-Marie Gerlier, Archbishop of Lyon
3. Joseph-Charles Lefèbvre, Archbishop of Bourges
4. Achille Liénart, Bishop of Lille
5. Paul Marie André Richaud, Archbishop of Bordeaux
6. Clément-Emile Roques, Archbishop of Rennes

1. Benjamín de Arriba y Castro, Archbishop of Tarragona
2. José Bueno y Monreal, Archbishop of Seville
3. Enrique Pla y Deniel, Archbishop of Toledo
4. Fernando Quiroga y Palacios, Archbishop of Santiago de Compostela

1. Julius Döpfner, Archbishop of Munich und Freising
2. Josef Frings, Archbishop of Cologne

1. José da Costa Nunes, Archbishop Emeritus of Archdiocese of Goa e Damão
2. Manuel Gonçalves Cerejeira, Patriarch of Lisbon

1. Franz König, Archbishop of Vienna

1. Leo Joseph Suenens, Archbishop of Brussels-Mechelen

1. Bernardus Johannes Alfrink, Archbishop of Utrecht

1. József Mindszenty, Archbishop of Esztergom (absent)

1. Michael Browne, OP, Superior General of the Order of Friars Preachers

1. Stefan Wyszyński, Archbishop of Warsaw and Gniezno

1. Richard Cushing, Archbishop of Boston
2. James Francis McIntyre, Archbishop of Los Angeles
3. Albert Gregory Meyer, Archbishop of Chicago
4. Joseph Ritter, Archbishop of St. Louis
5. Francis Spellman, Archbishop of New York

1. Paul-Émile Léger, PSS, Archbishop of Montreal
2. James McGuigan, Archbishop of Toronto

1. José Garibi y Rivera, Archbishop of Guadalajara

1. Jaime de Barros Câmara, Archbishop of São Sebastião do Rio de Janeiro
2. Augusto da Silva, Archbishop of São Salvador da Bahia
3. Carlos Carmelo Vasconcellos Motta, Archbishop of São Paulo

1. Antonio Caggiano, Archbishop of Buenos Aires

1. Raúl Silva Henríquez, Archbishop of Santiago

1. Luis Concha Córdoba, Archbishop of Bogotá

1. Carlos María de la Torre, Archbishop of Quito (absent)

1. Juan Landázuri Ricketts, OFM, Archbishop of Lima

1. José Quintero Parra, Archbishop of Caracas

1. Antonio María Barbieri, OFM Cap, Archbishop of Montevideo

1. Thomas Tien Ken-sin, SVD, Archbishop of Beijing

1. Valerian Gracias, Archbishop of Bombay

1. Peter Doi, Archbishop of Tokyo

1. Rufino Jiao Santos, Archbishop of Manila

1. Ignatius Gabriel I Tappouni, Patriarch of Antioch of the Syrians (Cardinal Tappuni was born in Mosul, located in modern-day Iraq)

1. Laurean Rugambwa, Bishop of Bukoba

1. Norman Gilroy, Archbishop of Sydney

Additional sources

• "The Roster of the Membership of the Sacred College of Cardinals" (PDF). New York Times. 20 June 1962. Retrieved 7 November 2017.