Sonja Amalie Steffen (born 22 October 1963) is a German lawyer and politician of the Social Democratic Party (SPD) who served as a member of the Bundestag from the state of Mecklenburg-Vorpommern from 2009 to 2021.

Born in Dreiborn, North Rhine-Westphalia, Steffen studied law at the University of Cologne.

[2][3][4] In her capacity as member of the Budget Committee, she served as her parliamentary group's rapporteur on the annual budgets of the Federal Ministry for Economic Cooperation and Development (since 2014) and the Federal Ministry of Health (since 2018).

In February 2020, Steffen announced that she would not stand in the 2021 federal elections but instead resign from active politics by the end of the parliamentary term.

This biography article about a member of the Social Democratic Party of Germany (SPD) is a stub.