Mario Mieruch (born 16 August 1975) is a German politician, elected to the Bundestag in September 2017 as a member of Alternative for Germany.

After compulsory military service, he completed a degree in mechatronics and has worked in industrial automation since 2000.

[1] Mieruch was part of Wahlalternative 2013 and then became a founding member of Alternative for Germany.

[1][2] The following month, he followed the party leader Frauke Petry in leaving its parliamentary bloc to become an independent on grounds that it was failing to distance itself from right-wing extremist elements, in particular Björn Höcke.

[2][3][4] He lived in Metelen at the time when he left the AfD in 2017.