List of monarchs of Prussia

"King of Prussia" redirects here. For other uses, see King of Prussia (disambiguation).

For the Pennsylvanian town, see King of Prussia, Pennsylvania.

A list of rulers of the former German state of Prussia, originally territories on the Baltic Sea, which the Teutonic Knights had conquered from the Baltic Prussians, Poland and Lithuania, and which later became a duchy under the suzerainty of the Kingdom of Poland, an independent duchy, an independent kingdom, a kingdom within the German Empire, and then a constituent state of Germany.

The history of Prussia was, from 1618 onwards, closely tied to that of the Margraviate of Brandenburg; the ruler of Prussia was also Elector of Brandenburg from 1618 to 1806. For a list of earlier rulers of Brandenburg, see List of rulers of Brandenburg.

Duchy of Prussia (1525–1701)[edit]

Main article: Duchy of Prussia

Name	Lifespan	Reign start	Reign end	Notes	Family	Image
Albert	(1490-07-08)8 July 1490 – 20 March 1568(1568-03-20) (aged 77)	10 April 1525	20 March 1568		Hohenzollern
Albert Frederick	(1553-05-07)7 May 1553 – 28 August 1618(1618-08-28) (aged 65)	20 March 1568	28 August 1618	Son of Albert	Hohenzollern
John Sigismund	(1572-11-08)8 November 1572 – 23 December 1619(1619-12-23) (aged 47)	28 August 1618	23 December 1619	Cousin of Albert Frederick	Hohenzollern
George William	(1595-11-13)13 November 1595 – 1 December 1640(1640-12-01) (aged 45)	23 December 1619	1 December 1640	Son of John Sigismund	Hohenzollern
Frederick William the Great Elector	(1620-02-16)16 February 1620 – 29 April 1688(1688-04-29) (aged 68)	1 December 1640	29 April 1688	Son of George William	Hohenzollern
Frederick I	(1657-07-11)11 July 1657 – 25 February 1713(1713-02-25) (aged 55)	29 April 1688	18 January 1701	Son of Frederick William	Hohenzollern

Kingdom of Prussia (1701–1918)[edit]

Main article: Kingdom of Prussia

Name	Lifespan	Reign start	Reign end	Notes	Family	Image
Frederick I	(1657-07-11)11 July 1657 – 25 February 1713(1713-02-25) (aged 55)	18 January 1701	25 February 1713	Son of Frederick William	Hohenzollern
Frederick William I the Soldier King	(1688-08-14)14 August 1688 – 31 May 1740(1740-05-31) (aged 51)	25 February 1713	31 May 1740	Son of Frederick I	Hohenzollern
Frederick II the Great	(1712-01-24)24 January 1712 – 17 August 1786(1786-08-17) (aged 74)	31 May 1740	17 August 1786	Son of Frederick William I	Hohenzollern
Frederick William II	(1744-09-25)25 September 1744 – 16 November 1797(1797-11-16) (aged 53)	17 August 1786	16 November 1797	Grandson of Frederick William I	Hohenzollern
Frederick William III	(1770-07-03)3 July 1770 – 7 June 1840(1840-06-07) (aged 69)	16 November 1797	7 June 1840	Son of Frederick William II	Hohenzollern
Frederick William IV	(1795-10-15)15 October 1795 – 2 January 1861(1861-01-02) (aged 65)	7 June 1840	2 January 1861	Son of Frederick William III	Hohenzollern
William I the Great	(1797-03-22)22 March 1797 – 9 March 1888(1888-03-09) (aged 90)	2 January 1861	9 March 1888	Brother of Frederick William IV	Hohenzollern
Frederick III	(1831-10-18)18 October 1831 – 15 June 1888(1888-06-15) (aged 56)	9 March 1888	15 June 1888	Son of William I	Hohenzollern
William II	(1859-01-27)27 January 1859 – 4 June 1941(1941-06-04) (aged 82)	15 June 1888	18 November 1918 (abdicated)	Son of Frederick III	Hohenzollern