Electoral Cardinals on the Conclave of 1823

1. Giuseppe Albani , Prefect of the Holy Congregation of Good Governance;
2. Tommaso Arezzo , Cardinal Bishop of Sabina , Apostolic Legate in Ferrara;
3. Dionisio Bardahi i Asara , Cardinal Priest with the titular church of Sant Agnese fuori le Mura ;
4. Francesco Bertazzoli , Cardinal Priest with the titular church of Santa Maria Sopra Minerva;
5. Pietro Vidoni Jr. , Cardinal Deacon with the titular deaconess of San Nicolas in Carcher ;
6. Pierrefranchesko Galeffi , Cardinal Bishop of Albano , Archpresbyter of the Patriarchal Vatican Basilica , Prefect of the Holy Congregation of the Factory of St. Peter ;
7. Francesco Gvidobono Cavalkini , Cardinal Deacon with the titular deaconess of Santa Maria in Aquiro ;
8. Cesare Guerrieri Gonzaga , Cardinal Deacon with the titular deaconess of San Adriano ;
9. Emmanuele de Gregorio , Prefect of the Holy Congregation of the Cathedral ;
10. Annibale della Jenga , vicar general of Rome , archpresbyter of the Patriarch of Liberian Basilica (was elected by the pope and chose the name Leo XII) ;
11. Giacinto Placido Zurla , OSBCam , Cardinal Priest with the titular church of Santa Croce in Jerusalemme ;
12. Giorgio Doria Pamphili , Prefect of the Holy Congregation of Indulgences and Sacred Relics ;
13. Francesco Saverio Castiglioni , Cardinal Bishop of Frascati , Grand Penitentiary , Prefect of the Holy Congregation of the Index ;
14. Ercole Consalvi , Secretary of State of the Holy See , Prefect of the Holy Congregation for Extraordinary Church Affairs , Librarian of the Holy Roman Church ;
15. Giovanni Caccia Piatti , Camerlengo of the Sacred College of Cardinals ;
16. Benedetto Naro , Prefect of the Holy Congregation for the Discipline of Monks;
17. Bartolomeo Pakka Sr. , Cardinal Bishop of Porto and Santa Rufina , Vice Dean of the College of Cardinals , Camerlengo , Prefect of the Holy Congregation for Bishops and Religious Affairs ;
18. Antonio Pallotta , Cardinal Priest with the titular church of San Silvestro in Capité ;
19. Luigi Pandolfi , Cardinal Priest with the titular church of Santa Sabina ;
20. Carlo Pedicini , Cardinal Priest with the titular church of Santa Maria in Via ;
21. Tommaso Ríario Sforza , Cardinal Deacon with the titular deaconess of San Giorgio in Velabro ;
22. Agostino Rivarola , cardinal priest with the titular church of Sant'Agata dei Gothi ;
23. Fabrizio Ruffo , Cardinal Protodeacon , Prefect of the Holy Congregation for Waters and Roads;
24. Stanislao Sanseverino , apostolic legate in Forlì;
25. Antonio Gabriele Severoli , apostolic pro-datarius ;
26. Francesco Serlupi Crescenzi , Cardinal Priest with the titular church of Santa Prasseda ;
27. Giulio Maria della Somaglia , Cardinal Bishop of Ostia and Velletri , Dean of the College of Cardinals , Vice Chancellor of the Holy Roman Church , Secretary of the Supreme Holy Congregation of the Roman and Ecumenical Inquisition , Archpriest of the Patriarchal Lateran Basilica ;
28. Giuseppe Maria Spina , Cardinal Bishop of Palestrina ;
29. Fabrizio Turriozzi , cardinal priest with the titular church of Santa Maria in Aracheli ;
30. Giuseppe Firrao , Cardinal Protopresbyter ;
31. Antonio Maria Frosini , Cardinal Deacon with the titular deaconess of Santa Maria in Cosmedin;
32. Johann Casimir von Heffelin , Ambassador of Bavaria to the Holy See;
33. Luigi Ercolani , Prefect of Saving the Holy Congregation for the Propaganda of the Faith .

Italian states

1. Cesare Brancadoro , Archbishop of Fermo;
2. Pietro Gravina , Archbishop of Palermo ;
3. Ercole Dandini , Bishop of Ozimo and Chingoli ;
4. Carlo Francesco Caselli , OSM , Archbishop-Bishop of Parma ;
5. Giuseppe Morozzo della Rocca , Archbishop-Bishop of Novara;
6. Carlo Odescalchi , Archbishop of Ferrara ;
7. Carlo Oppizzoni , Archbishop of Bologna ;
8. Antonio Lamberto Rusconi , Bishop of Imola ;
9. Luigi Ruffo Scilla , Archbishop of Naples ;
10. Paolo Giuseppe Solaro di Villanova , former Bishop of Aosta ;
11. Domenico Spinucci , Archbishop of Benevento (did not participate in the Conclave);
12. Giovanni Francesco Falzacappa , Bishop-Archbishop of Ancona ;
13. Francesco Cesarea Leoni , Bishop of Jesi ;
14. Fabrizio Scheberras Testaferrata , Bishop of Senigallia .

France

1. Louis-Francois de Bosse-Roquefort , former Bishop of Ales (did not participate in the Conclave);
2. Ann-Antoine-Jules de Clermont-Tonner , Archbishop of Toulouse ;
3. Ann-Louis-Henri de La Far , Archbishop of Sansa ;
4. Joseph Fesch , Archbishop of Lyon .

Austrian Empire

1. Rudolf Johann Joseph Rainer von Habsburg-Lorraine , Archduke of Austria, Royal Prince of Hungary and Bohemia, Archbishop of Olomouc (did not participate in the Conclave);

Portugal

1. Carlos da Cunha y Menezes , patriarch of Lisbon (did not participate in the Conclave).

• Conclaves of the 19th Century (1799-1878)

• Baumgartner, Frederic. Behind locked doors. A history of the papal elections. New York: Palgrave Macmillan, 2003;
• Burkle-Young, Francis A. Papal elections in the age of transition, 1878-1922. Lanham, MD: Lexington Books, 2000;
• Lector, Lucius (pseud. Of Joseph Guthlin). Le conclave, ouvrage orné de gravures et de plans, suivi d'un Tableau chronologique des papes et des conclaves. Paris: P. Lethielleux, 1894;
• Piazzoni, Ambrogio. Storia delle elezioni pontificie. Casale Monferrato: Piemme, 2003. (Piemme religio);
• Ritzler, Remigium, and Pirminum Sefrin. Hierarchia Catholica Medii et Recientoris Aevi. Volumen VII (1800-1846). Patavii: Typis et Sumptibus Domus Editorialis "Il Messaggero di S. Antonio" apud Basilicam S. Antonii, 1968, p. 3, n. 2;
• Walsh, Michael. The conclave. A sometimes secret and occasionally bloody history of papal elections. Lanham; Chicago; New York; Toronto; Oxford: Sheed & Ward, 2003;
• Zizola, Giancarlo. Il conclave, storia e segreti. L'elezione papale da San Pietro a Giovanni Paolo II. Rome: Newton, 1993. (Grandi Tascabali Economici, 404).