Diethelm Uslar, 3rd Earl of Wolfsburg

Diethelm Uslar, 3rd Earl of Wolfsburg, 1st Baron Uslar GGE PC (14 September 1615 - 02 May 1683) was a Prussian politician who served as the first democratically elected Chancellor of Prussia. With the passing of the Constitution Act of 1652, The Chief Minister of the Crown Thaddaeus Baumgartner, organized the first general election which took place in early April of 1653.

Prior to the establishment of the Prussian Constitution, Uslar had been in several high positions within the King's Ministry. He was at one point, Governor of the Saxony Territory (1643 - 1647), Chief Minister to the King (1645 - 1650), as well as the King's Chief Diplomacy Minister (1648 - 1652).