| Present Cardinals of Belgium (1) |
| 2016 |  Cardinal Jozef De Kesel (77), 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. (61), 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 († 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 (24) |
| 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) |
| 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) |
| 1356 | Cardinal Pierre de La Forêt († 1361) |
| 1305 | Cardinal Étienne de Suisy († 1311) |
