Papst Leo XIII. nahm im Lauf seines Pontifikates (1878–1903) in 27 Konsistorien die Kreierung von 147 Kardinälen vor.
Die Päpste, deren Namen nicht verlinkt sind, haben keine Kardinäle kreiert. Leo III. | Stephan IV. | Paschalis I. | Eugen II. | Valentin | Gregor IV. | Sergius II. | Leo IV. | Benedikt III. | Nikolaus I. | Hadrian II. | Johannes VIII. | Marinus I. | Hadrian III. | Stephan V. | Formosus | Bonifatius VI. | Stephan VI. | Romanus | Theodor II. | Johannes IX. | Benedikt IV. | Leo V. | Sergius III. | Anastasius III. | Lando | Johannes X. | Leo VI. | Stephan VII. | Johannes XI. | Leo VII. | Stephan VIII. | Marinus II. | Agapitus II. | Johannes XII. | Leo VIII. | Benedikt V. | Johannes XIII. | Benedikt VI. | Benedikt VII. | Johannes XIV. | Johannes XV. | Gregor V. | Silvester II. | Johannes XVII. | Johannes XVIII. | Sergius IV. | Benedikt VIII. | Johannes XIX. | Benedikt IX. | Silvester III. | Gregor VI. | Clemens II. | Damasus II. | Leo IX. | Viktor II. | Stephan IX. | Benedikt X. | Nikolaus II. | Alexander II. | Gregor VII. | Viktor III. | Urban II. | Paschalis II. | Gelasius II. | Calixt II. | Honorius II. | Innozenz II. | Coelestin II. | Lucius II. | Eugen III. | Anastasius IV. | Hadrian IV. | Alexander III. | Lucius III. | Urban III. | Gregor VIII. | Clemens III. | Coelestin III. | Innozenz III. | Honorius III. | Gregor IX. | Coelestin IV. | Innozenz IV. | Alexander IV. | Urban IV. | Clemens IV. | Gregor X. | Hadrian V. | Innozenz V. | Johannes XXI. | Nikolaus III. | Martin IV. | Honorius IV. | Nikolaus IV. | Coelestin V. | Bonifatius VIII. | Benedikt XI. | Clemens V. | Johannes XXII. | Benedikt XII. | Clemens VI. | Innozenz VI. | Urban V. | Gregor XI. | Urban VI. | Bonifatius IX. | Innozenz VII. | Gregor XII. | Martin V. | Eugen IV. | Nikolaus V. | Calixt III. | Pius II. | Paul II. | Sixtus IV. | Innozenz VIII. | Alexander VI. | Pius III. | Julius II. | Leo X. | Hadrian VI. | Clemens VII. | Paul III. | Julius III. | Marcellus II. | Paul IV. | Pius IV. | Pius V. | Gregor XIII. | Sixtus V. | Urban VII. | Gregor XIV. | Innozenz IX. | Clemens VIII. | Leo XI. | Paul V. | Gregor XV. | Urban VIII. | Innozenz X. | Alexander VII. | Clemens IX. | Clemens X. | Innozenz XI. | Alexander VIII. | Innozenz XII. | Clemens XI. | Innozenz XIII. | Benedikt XIII. | Clemens XII. | Benedikt XIV. | Clemens XIII. | Clemens XIV. | Pius VI. | Pius VII. | Leo XII. | Pius VIII. | Gregor XVI. | Pius IX. | Leo XIII. | Pius X. | Benedikt XV. | Pius XI. | Pius XII. | Johannes XXIII. | Paul VI. | Johannes Paul I. | Johannes Paul II. | Benedikt XVI. | Franziskus