Cornelia Lüddemann (born 11 May 1968) is a German politician of Alliance 90/The Greens.

Since 2016, she has served as chairwoman of the Greens parliamentary group in the Landtag of Saxony-Anhalt.

After graduating from high school in 1986, Lüddemann completed an apprenticeship as a library worker and worked in this profession until 1991.

As a part-time job, she completed a degree in educational science with a focus on social work at the University of Halle-Wittenberg, which she graduated in 1997 as a qualified pedagogue.

After Claudia Dalbert became a minister in the state government in April 2016, Lüddemann replaced her as Greens parliamentary leader.