Mathias Stein (born 21 February 1970) is a German politician of the Social Democratic Party (SPD) who has been serving as a member of the Bundestag from the state of Schleswig-Holstein since 2017.
Stein first became a member of the Bundestag in the 2017 German federal election. In parliament, he is a member of the Committee on Transport and Digital Infrastructure. He is his parliamentary groupâÂÂs rapporteur on cycling.
Within his parliamentary group, Stein belongs to the Parliamentary Left, a left-wing movement.
In July 2024, Stein announced, that he isn't seeking re-election for Bundestag.