List of encyclicals of Pope Pius IX
This article contains a list of encyclicals of Pope Pius IX. Pius IX issued 38 papal encyclicals during his reign as pope:
| No. | Title (Latin) | Title (English translation) | Subject | Date |
|---|---|---|---|---|
| 1. | Qui pluribus | On Faith and Religion | 9 November 1846 | |
| 2. | Praedecessores nostros | On Aid for Ireland | 25 March 1847 | |
| 3. | Ubi primum | On Discipline for Religious | 17 June 1847 | |
| 4. | Ubi primum | On Immaculate Conception | 2 February 1849 | |
| 5. | Nostis et nobiscum | On the Church in the Papal States | 8 December 1849 | |
| 6. | Exultavit cor nostrum | On the Effects of the Jubilee | 21 November 1851 | |
| 7. | Nemo certe ignorat | On Discipline for Clergy | 25 March 1852 | |
| 8. | Probe noscitis Venerabiles | On the Discipline for Clergy | 17 May 1852 | |
| 9. | Inter multiplices | Pleading for Unity of Spirit | 21 March 1853 | |
| 10. | Neminem vestrum | On the Persecution of Armenians | 2 February 1854 | |
| 11. | Optime noscitis | On the Proposed Catholic University of Ireland | 20 March 1854 | |
| 12. | Apostolicae nostrae caritatis | Urging Prayers of Peace | 1 August 1854 | |
| 13. | Optime noscitis | On Episcopal Meetings | 5 November 1855 | |
| 14. | Singulari quidem | On the Church in Austria | 17 March 1856 | |
| 15. | Cum nuper | On Care for Clerics | 20 January 1858 | |
| 16. | Amantissimi Redemptoris | On Priests and the Care of Souls | 3 May 1858 | |
| 17. | Cum Sancta Mater Ecclesia | Pleading for Public Prayer | 27 April 1859 | |
| 18. | Qui nuper | On the Pontifical States | 18 June 1859 | |
| 19. | Nullis certe verbis | On the Need for Civil Sovereignty | 19 January 1860 | |
| 20. | Amantissimus | On the Care of the Churches | 8 April 1862 | |
| 21. | Quanto conficiamur moerore | On Promotion of False Doctrines | 10 August 1863 | |
| 22. | Incredibili | On the Persecution in New Granada | 17 September 1863 | |
| 23. | Maximae quidem | On the Church in Bavaria | 18 August 1864 | |
| 24. | Quanta cura | Condemning Current Errors | 8 December 1864 | |
| 25. | Meridionali Americae | On the Seminary for the Native Clergy | 30 September 1865 | |
| 26. | Levate | On the Affiliations of Church | 27 October 1867 | |
| 27. | Respicientes | Protesting the Taking of the Pontifical States | 1 November 1870 | |
| 28. | Ubi Nos | "Our City" | On the Pontifical States | 15 May 1871 |
| 29. | Beneficia Dei | On the 25th Anniversary of His Pontificate | 4 June 1871 | |
| 30. | Saepe Venerabiles Fratres | Thanksgiving for 25 Years of Pontificate | 5 August 1871 | |
| 31. | Quae in patriarchatu | On the Church in Chaldea | 16 November 1872 | |
| 32. | Quartus supra | On the Church in Armenia | January 1873 | |
| 33. | Etsi multa | On the Church in Italy, Germany and Switzerland | 21 November 1873 | |
| 34. | Vix dum a Nobis | On the Church in Austria | 7 March 1874 | |
| 35. | Omnem sollicitudinem | On the Greek-Ruthenian Rite | 13 May 1874 | |
| 36. | Gravibus Ecclesiae | Proclaiming A Jubilee | 24 December 1874 | |
| 37. | Quod nunquam | On the Church in Prussia | 5 February 1875 | |
| 38. | Graves ac diuturnae | On the Church in Switzerland | 23 March 1875 |