HANNES WADER (born Hans Eckard Wader on 23 June 1942) is a German songwriter (Liedermacher), singer and guitarist. He was an important figure in German leftist circles from the 1970s on with his songs that covered themes like socialist and communist resistance to oppression in Europe and other places like Latin America, writing both new songs himself and playing versions of older historical works.

Wader was born in Bielefeld, Westphalia. His works are mostly based on German folk songs.