Stephan Brandner (born 29 May 1966) is a German far-right politician.
He has been a member of the German Bundestag for Alternative for Germany (AfD) since 2017 and served as chairman of the Bundestag's Legal Affairs Committee from 31 January 2018 to November 2019.
He was the front runner candidate of the AfD in the state of Thuringia for the 2017 German federal election.
Since November 2019, Brandner has been one of three chairman deputies of the AfD.
Brandner is part of his party's ultra-nationalist wing.