# List of heirs to the Danish throne

This is a list of heirs to the Danish throne.
Heirs to the Danish throne :
| House of Oldenburg (1665–1863) ||||||
| Monarch | Heir | Relationship to monarch | Became heir (Date; Reason) | Ceased to be heir (Date; Reason) | Next in line of succession |
| Frederik III | Crown Prince Christian | Son | 14 November 1665 King's Law established | 9 February 1670 Father died, became king | Prince Jørgen, brother |
| Christian V | Prince Jørgen | Brother | 9 February 1670 Brother became king | 2 October 1671 Son born to king | Anna Sophie, Hereditary Electress of Saxony, sister |
| Christian V | Crown Prince Frederik | Son | 2 October 1671 Born | 25 August 1699 Father died, became king | Prince Jørgen, 1671–1672, uncle |
| Christian V | Crown Prince Frederik | Son | 2 October 1671 Born | 25 August 1699 Father died, became king | Prince Christian Vilhelm, 1672–1673, brother |
| Christian V | Crown Prince Frederik | Son | 2 October 1671 Born | 25 August 1699 Father died, became king | Prince Jørgen, 1673–1675, uncle |
| Christian V | Crown Prince Frederik | Son | 2 October 1671 Born | 25 August 1699 Father died, became king | Prince Christian, 1675–1695, brother |
| Christian V | Crown Prince Frederik | Son | 2 October 1671 Born | 25 August 1699 Father died, became king | Prince Carl, 1695–1697, brother |
| Christian V | Crown Prince Frederik | Son | 2 October 1671 Born | 25 August 1699 Father died, became king | Prince Christian, 1697–1698, son |
| Christian V | Crown Prince Frederik | Son | 2 October 1671 Born | 25 August 1699 Father died, became king | Prince Carl, 1698–1699, brother |
| Frederik IV | Prince Carl | Brother | 25 August 1699 Brother became king | 10 December 1699 Son born to king | Prince Vilhelm, brother |
| Frederik IV | Crown Prince Christian | Son | 10 December 1699 Born | 12 October 1730 Father died, became king | Prince Carl, 1699–1701, uncle |
| Frederik IV | Crown Prince Christian | Son | 10 December 1699 Born | 12 October 1730 Father died, became king | Prince Frederik Karl, 1701–1702, brother |
| Frederik IV | Crown Prince Christian | Son | 10 December 1699 Born | 12 October 1730 Father died, became king | Prince Carl, 1702–1703, uncle |
| Frederik IV | Crown Prince Christian | Son | 10 December 1699 Born | 12 October 1730 Father died, became king | Prince Jørgen, 1703–1704, brother |
| Frederik IV | Crown Prince Christian | Son | 10 December 1699 Born | 12 October 1730 Father died, became king | Prince Carl, 1704–1723, uncle |
| Frederik IV | Crown Prince Christian | Son | 10 December 1699 Born | 12 October 1730 Father died, became king | Prince Frederik, 1723–1730, son |
| Christian VI | Crown Prince Frederik | Son | 12 October 1730 Father became king | 6 August 1746 Father died, became king | Princess Louise, 1730–1745, sister |
| Christian VI | Crown Prince Frederik | Son | 12 October 1730 Father became king | 6 August 1746 Father died, became king | Prince Christian, 1745–1746, son |
| Frederik V | Crown Prince Christian | Son | 6 August 1746 Father became king | 3 June 1747 Died | Princess Sophie Magdalene, sister |
| Frederik V | Princess Sophie Magdalene | Daughter | 3 June 1747 Brother died | 29 January 1749 Son born to king | Princess Louise, 1747, aunt |
| Frederik V | Princess Sophie Magdalene | Daughter | 3 June 1747 Brother died | 29 January 1749 Son born to king | Princess Vilhelmine Karoline, 1747–1749, sister |
| Frederik V | Crown Prince Christian | Son | 29 January 1749 Born | 14 January 1766 Father died, became king | Princess Sophie Magdalene, 1749–1753, sister |
| Frederik V | Crown Prince Christian | Son | 29 January 1749 Born | 14 January 1766 Father died, became king | Prince Frederik, 1753–1766, half-brother |
| Christian VII | Hereditary Prince Frederik | Half-brother | 14 January 1766 Half-brother became king | 28 January 1768 Son born to king | Sophie Magdalene, Crown Princess of Sweden, half-sister |
| Christian VII | Crown Prince Frederik | Son | 28 January 1768 Born | 13 March 1808 Father died, became king | Prince Frederik, 1768–1791, uncle |
| Christian VII | Crown Prince Frederik | Son | 28 January 1768 Born | 13 March 1808 Father died, became king | Prince Christian, 1791, son |
| Christian VII | Crown Prince Frederik | Son | 28 January 1768 Born | 13 March 1808 Father died, became king | Prince Frederik, 1791–1797, uncle |
| Christian VII | Crown Prince Frederik | Son | 28 January 1768 Born | 13 March 1808 Father died, became king | Prince Christian, 1797, son |
| Christian VII | Crown Prince Frederik | Son | 28 January 1768 Born | 13 March 1808 Father died, became king | Prince Frederik, 1797–1805, uncle |
| Christian VII | Crown Prince Frederik | Son | 28 January 1768 Born | 13 March 1808 Father died, became king | Prince Christian Frederik, 1805–1808, first cousin |
| Frederik VI | Hereditary Prince Christian Frederik | First cousin | 13 March 1808 First cousin became king | 3 December 1839 First cousin died, became king | Prince Ferdinand, 1808, brother |
| Frederik VI | Hereditary Prince Christian Frederik | First cousin | 13 March 1808 First cousin became king | 3 December 1839 First cousin died, became king | Prince Frederik, 1808–1839, son |
| Christian VIII | Crown Prince Frederik | Son | 3 December 1839 Father became king | 20 January 1848 Father died, became king | Prince Ferdinand, uncle |
| Frederik VII | Hereditary Prince Ferdinand | Uncle | 20 January 1848 Nephew became king | 29 June 1863 Died | Succession uncertain, 1848–1853 |
| Frederik VII | Hereditary Prince Ferdinand | Uncle | 20 January 1848 Nephew became king | 29 June 1863 Died | Prince Christian of Schleswig-Holstein-Sonderburg-Glücksburg, 1853–1863, first cousin once-removed |
| Frederik VII | Prince Christian of Schleswig-Holstein- Sonderburg-Glücksburg | Second cousin | 29 June 1863 First cousin once‑removed died | 15 November 1863 Second cousin died, became king | Prince Frederik of Schleswig-Holstein- Sonderburg-Glücksburg, son |
| House of Glücksburg (1863–present) ||||||
| Monarch | Heir | Relationship to monarch | Became heir (Date; Reason) | Ceased to be heir (Date; Reason) | Next in line of succession |
| Christian IX | Crown Prince Frederik | Son | 15 November 1863 Father became king | 29 January 1906 Father died, became king | Prince Valdemar, 1863–1870, brother |
| Christian IX | Crown Prince Frederik | Son | 15 November 1863 Father became king | 29 January 1906 Father died, became king | Prince Christian, 1870–1906, son |
| Frederik VIII | Crown Prince Christian | Son | 29 January 1906 Father became king | 14 May 1912 Father died, became king | Prince Frederik, son |
| Christian X | Crown Prince Frederik | Son | 14 May 1912 Father became king | 20 April 1947 Father died, became king | Prince Knud, brother |
| Frederik IX | Hereditary Prince Knud | Brother | 20 April 1947 Brother became king | 5 June 1953 Law of succession changed | Prince Ingolf, son |
| Frederik IX | Princess Margrethe | Daughter | 5 June 1953 Law of succession changed | 14 January 1972 Father died, became queen | Princess Benedikte, 1953–1968, sister |
| Frederik IX | Princess Margrethe | Daughter | 5 June 1953 Law of succession changed | 14 January 1972 Father died, became queen | Prince Frederik, 1968–1972, son |
| Margrethe II | Crown Prince Frederik | Son | 14 January 1972 Mother became queen | 14 January 2024 Mother abdicated, became king | Prince Joachim, 1972–2005, brother |
| Margrethe II | Crown Prince Frederik | Son | 14 January 1972 Mother became queen | 14 January 2024 Mother abdicated, became king | Prince Christian, 2005–2024, son |
| Frederik X | Crown Prince Christian | Son | 14 January 2024 Father became king | Incumbent | Princess Isabella, sister |