| Present Cardinals of Belgium (1) |
| 2016 |  Cardinal Jozef De Kesel (78), Cardinal-Priest of Ss. Giovanni e Paolo and Military Ordinary emeritus of Belgium (Belgium) |
| Living Cardinals born in Belgium (1) |
| 2024 |  Cardinal Dominique Joseph Mathieu, O.F.M. Conv. (62), Cardinal-Priest of S. Giovanna Antida Thouret, Archbishop of Tehran–Isfahan (Iran) and President of Iranian Episcopal Conference |
| Deceased Cardinals of Belgium (26) |
| 2012 | Cardinal Julien Ries, former Priest of Namur (†2013) |
| 2003 | Cardinal Gustaaf Joos, former Priest of Gent (†2004) |
| 1994 | Cardinal Jan Pieter Schotte, C.I.C.M., former President of Labour Office of the Apostolic See (†2005) |
| 1985 | Cardinal Jean Jérôme Hamer, O.P., former Prefect of Congregation for Institutes of Consecrated Life and for Societies of Apostolic Life (†1996) |
| 1983 | Cardinal Godfried Danneels, former Metropolitan Archbishop of Mechelen–Brussel (†2019) |
| 1967 | Cardinal Maximilien de Fürstenberg, former Prefect of Sacred Congregation for the Oriental Churches (†1988) |
| 1965 | Cardinal Josef-Léon Cardijn, former Priest of Mechelen–Brussel (†1967) |
| 1962 | Cardinal Leo Jozef Suenens, former Metropolitan Archbishop of Mechelen–Brussel (†1996) |
| 1927 | Cardinal Jozef-Ernest van Roey, former Metropolitan Archbishop of Mechelen (†1961) |
| 1907 | Cardinal Désiré-Félicien-François-Joseph Mercier, former Metropolitan Archbishop of Mechelen (†1926) |
| 1889 | Cardinal Pierre-Lambert Goossens, former Metropolitan Archbishop of Mechelen (†1906) |
| 1875 | Cardinal Victor-Auguste-Isidore Dechamps, C.SS.R., former Metropolitan Archbishop of Mechelen (†1883) |
| 1838 | Cardinal Engelbert Sterckx, former Metropolitan Archbishop of Mechelen (†1867) |
| 1778 | Cardinal Johann Heinrich von Frankenberg, former Metropolitan Archbishop of Mechelen (†1804) |
| 1743 | Cardinal Johann Theodor Herzog von Bayern (Jean-Théodore de Bavière), former Bishop of Liège (†1763) |
| 1719 | Cardinal Thomas Philip Wallrad d’Hénin-Liétard d’Alsace-Boussu de Chimay, former Metropolitan Archbishop of Mechelen (†1759) |
| 1686 | Cardinal Johannes Walter Sluse (†1687) |
| Cardinal Johannes von Goes (†1696) |
| 1578 | Cardinal Gerard van Groesbeeck (Gérard de Grœsbeek), former Bishop of Liège (†1580) |
| 1517 | Cardinal Guillaume de Croy (†1521) |
| 1480 | Cardinal Ferry de Clugny, former Bishop of Tournai (†1483) |
| 1342 | Cardinal Andrea Ghini Malpighi, former Bishop of Tournai (†1343) |
| 1228 | Cardinal Jacques de Vitry, C.R.S.A., former Auxiliary Bishop of Liège (†1240) |
| 1195 | Cardinal Simon de Limbourg, former Bishop of Liège (†1196) |
| 1192 | Saint Cardinal Albert de Louvain, former Bishop of Liège (†1192) |
| 1145 | Cardinal Gerardo (†) |
| Other Cardinals related to Belgium (26) |
| 2015 |  Cardinal Karl-Josef Rauber (†2023) |
| 1991 |  Cardinal Frédéric Etsou-Nzabi-Bamungwabi, C.I.C.M. (†2007) |
| 1969 | Cardinal Joseph Albert Malula (†1989) |
 Cardinal Silvio Angelo Pio Oddi (†2001) |
| 1962 | Cardinal Efrem Forni (†1976) |
| 1958 | Cardinal Fernando Cento (†1973) |
| 1946 | Cardinal Clemente Micara (†1965) |
| 1922 | Cardinal Achille Locatelli (†1935) |
| 1921 | Cardinal Giovanni Tacci Porcelli (†1928) |
| 1911 | Cardinal Gennaro Granito Pignatelli di Belmonte (†1948) |
| Cardinal Antonio Vico (†1929) |
| 1907 | Cardinal Benedetto Lorenzelli (†1915) |
| Cardinal Aristide Rinaldini (†1920) |
| 1887 | Cardinal Serafino Vannutelli (†1915) |
| 1875 |  Cardinal Mieczysław Halka Ledóchowski (†1902) |
| 1873 | Cardinal Luigi Oreglia di Santo Stefano (†1913) |
| 1761 |  Cardinal Christoph Anton von Migazzi von Waal und Sonnenthurn (†1803) |
| 1753 |  Cardinal Luca Melchiore Tempi (†1762) |
| 1619 |  Cardinal Fernando de Austria (†1641) |
| 1587 |  Cardinal William Allen (†1594) |
| 1561 |  Cardinal Antoine Perrenot de Granvella (†1586) |
| 1520 | Cardinal Eberhard von der Mark (Erard de La Marck) (†1538) |
| 1515 | Cardinal Thomas Wolsey (†1530) |
| 1411 |  Pseudocardinal João Afonso Esteves da Azambuja (†1415) |
| 1356 | Cardinal Pierre de La Forêt (†1361) |
| 1305 | Cardinal Étienne de Suisy (†1311) |
