Marion Walsmann (née Schau, born 17 March 1963) is a German politician of the Christian Democratic Union (CDU) who has been serving as a Member of the European Parliament since 2019.

From the 2004 state elections to 2018, Walsmann served as a member of the Landtag of Thuringia.

As part of a 2008 cabinet reshuffle, Walsmann was appointed State Minister of Justice under Minister-President Dieter Althaus, replacing Harald Schliemann, who left the office due to illness.

From 2015 until 2018, Walsmann was the State Parliament's delegate to the European Committee of the Regions.

In the city of Erfurt's 2018 local elections, Walsmann lost against incumbent mayor Andreas Bausewein.