The Landtag of Hesse is the unicameral parliament of the State of Hesse in the Federal Republic of Germany. It convenes in the Stadtschloss in Wiesbaden. As a legislature it is responsible for passing laws at the state level and enacting the budget. Its most important function is to elect and control the state government. The constitution of the State of Hesse describes the role of the Landtag in sections 75 to 99.

Volker Bouffier is a German politician of the Christian Democratic Union (CDU) who served as Minister President of the German state of Hessen from 31 August 2010 to 31 May 2022. From 1 November 2014 until 31 October 2015 he was President of the Bundesrat and ex officio deputy to the President of Germany.