:List of heirs to the Prussian throne

This is a list of those people who were heir apparent or heir presumptive to the Kingdom of Prussia from its foundation in 1701 to the end of the monarchy in 1918. From 18 January 1871 the Crown Prince of Prussia was also heir apparent to the German Empire. Those heirs who succeeded are shown in bold.

Heirs to the Kingdom of Prussia

class="wikitable" !King!!Heir!!Relationship to king and status!!Became heir; Reason!!Ceased to be heir; Reason!!Next in line
rowspan=7\|Friedrich I	rowspan=7\|Crown Prince Friedrich Wilhelm	rowspan=7\|Son Heir apparent	rowspan=7\|18 January 1701; foundation of the Kingdom of Prussia	rowspan=7\|25 February 1713; succeeded	Philipp Wilhelm, Margrave of Brandenburg-Schwedt 1701–1707, uncle
Friedrich Ludwig 1707-1708, son
Philipp Wilhelm, Margrave of Brandenburg-Schwedt 1708-1710, uncle
Friedrich Wilhelm 1710–1711, son
Philipp Wilhelm, Margrave of Brandenburg-Schwedt 1711, uncle
Friedrich Wilhelm, Margrave of Brandenburg-Schwedt 1711–1712, first cousin
Friedrich 1712–1713, son
rowspan=4\|Friedrich Wilhelm I	rowspan=4\|Crown Prince Friedrich	rowspan=4\|Son Heir apparent	rowspan=4\|25 February 1713; father succeeded	rowspan=4\|31 May 1740; succeeded	Friedrich Wilhelm, Margrave of Brandenburg-Schwedt 1713–1717, first cousin once removed
Prince Ludwig Karl Wilhelm 1717–1719, brother
Friedrich Wilhelm, Margrave of Brandenburg-Schwedt 1719–1722, first cousin once removed
Prince August Wilhelm 1722–1740
rowspan=5\|Friedrich II	rowspan=2\|Prince August Wilhelm	rowspan=2\|Brother Heir presumptive	rowspan=2\|31 May 1740; brother succeeded	rowspan=2\|12 June 1758; died	Prince Heinrich 1740–1744, brother
Prince Friedrich Wilhelm 1744–1758, son
rowspan=3\|Prince Friedrich Wilhelm	rowspan=3\|Nephew Heir presumptive	rowspan=3\|12 June 1758; father died	rowspan=3\|17 August 1786; succeeded	Prince Heinrich 1758–1767, brother
Prince Heinrich 1767–1770, uncle
Prince Friedrich Wilhelm 1770–1786, son
rowspan=2\|Friedrich Wilhelm II	rowspan=2\|Crown Prince Friedrich Wilhelm	rowspan=2\|Son Heir apparent	rowspan=2\|17 August 1786; father succeeded	rowspan=2\|16 November 1797; succeeded	Prince Ludwig Karl 1786–1795, brother
Prince Friedrich Wilhelm 1795–1797, son
Friedrich Wilhelm III	Crown Prince Friedrich Wilhelm	Son Heir apparent	16 November 1797; father succeeded	7 June 1840; succeeded	Prince Wilhelm, brother
Friedrich Wilhelm IV	Prince Wilhelm	Brother Heir presumptive	7 June 1840; brother succeeded	2 January 1861; succeeded	Prince Friedrich, son
Wilhelm I	Crown Prince Friedrich	Son Heir apparent	2 January 1861; father succeeded	18 January 1871; became heir also to the German Empire	Prince Wilhelm, son

Heirs to the German Empire and the Kingdom of Prussia

class="wikitable" style="font-size:95%" \|+Heirs to the German throne
Monarch ! Heir ! Relationship to monarch ! Became heir (Date; Reason) ! Ceased to be heir (Date; Reason) ! Next in line of succession
Wilhelm I \| {{nowrap\|Crown Prince Friedrich}} \| Son \| 18 January 1871 Father proclaimed German Emperor \| 9 March 1888 {{nowrap\|Father died, became emperor}} \| Prince Wilhelm, son
{{nowrap\|Friedrich III}} \| Crown Prince Wilhelm \| Son \| 9 March 1888 {{nowrap\|Father became emperor}} \| 15 June 1888 Father died, became emperor \| Prince Wilhelm, son
rowspan="2"\|Wilhelm II \| rowspan="2"\|Crown Prince Wilhelm \| rowspan="2"\|Son \| rowspan="2"\|15 June 1888 Father became emperor \| rowspan="2"\|9 November 1918 Father abdicated, monarchy abolished \| {{nowrap\|Prince Eitel Friedrich, 1888–1906, brother}}
Prince Wilhelm, 1906–1918, son

class="wikitable" style="font-size:95%"

|+Heirs to the German throne

Monarch

! Heir

! Relationship
to monarch

! Became heir
(Date; Reason)

! Ceased to be heir
(Date; Reason)

! Next in line of succession

Wilhelm I

| {{nowrap|Crown Prince Friedrich}}

| Son

| 18 January 1871
Father proclaimed German Emperor