Angelus Joseph Roncalli
head of the Catholic Church from 1958 to 1963

- Born: 1881-11-25 (Sotto il Monte Giovanni XXIII)
- Died: 1963-06-03 (Vatican City) (refine date: 19:45)
- Country of citizenship: Italy (period: 1946-06-18 through 1963-06-03); Kingdom of Italy (period: 1881-11-25 through 1946-06-18); Vatican City
- Occupation: Latin Catholic priest (since: 1904-08-10)
- Participant in: 1958 papal conclave; Second Vatican Council
- Military rank: lieutenant (since: 1916-01-01)
- Position held: Apostolic Nuncio to France (of: France; since: 1944-12-22); apostolic delegate (of: Bulgaria); apostolic visitor (of: Bulgaria; since: 1925-03-03); cardinal (since: 1953-01-12); deacon (since: 1903-12-18); patriarch of Venice (diocese: Patriarchate of Venice; period: 1953-01-15 through 1958-10-28; replaced by: Giovanni Urbani; replaces: Carlo Agostini); pope (patron saint: Francis de Sales; period: 1958-10-28 through 1963-06-03; replaced by: Paul VI; replaces: Pius XII; series ordinal: 261); titular archbishop (diocese: Mesembria, Q642651; since: 1925-03-03, 1934-11-30)
- Educated at: Pontifical Roman Seminary; Sapienza University of Rome
- VIAF ID: https://viaf.org/viaf/62340644
- ISNI: https://isni.org/isni/0000000121360636; https://isni.org/isni/0000000434336979
- WorldCat Identities ID: https://worldcat.org/identities/lccn-n79018752
- Library of Congress authority ID: https://id.loc.gov/authorities/names/n79018752