Doris Maria Ahnen is a German politician of the Social Democratic Party (SPD) who has been serving as Minister for Finance in the state government of Rhineland-Palatinate since 2014.

Since 2004, Ahnen has been serving as deputy chair of the SPD in Rhineland-Palatinate, under the leadership of chairpersons Kurt Beck (2004–2012) and Roger Lewentz (2012–present).

[citation needed] During the negotiations to form a coalition government under Chancellor Angela Merkel following the 2013 federal elections, Ahnen led the SPD delegation in the working group on education and research; her co-chair from the CDU/CSU was Johanna Wanka.

[12] In the negotiations to form Merkel's fourth coalition government following the 2017 federal elections, she was part of the working group on financial policies and taxes, led by Peter Altmaier, Andreas Scheuer and Olaf Scholz.

[13] Ahnen was nominated by her party as delegate to the Federal Convention for the purpose of electing the President of Germany in 2022.