Wilhelm Knabe (8 October 1923 – 30 January 2021) was a German ecologist and politician. He was a co-founder of the Green Party in Germany. Knabe was a Member of the Bundestag from 1987 until 1990. He was vice mayor of the city of Mülheim from 1994 to 1999. Knabe was born in Arnsdorf, Saxony.