Walter Wallmann, German lawyer and politician, Minister-President of Hesse (b. 1932)
Walter Wallmann (24 September 1932 – 21 September 2013) was a German politician who has served as Lord Mayor of Frankfurt (1977–1986).Between 1986 and 1987 he was the first Federal Minister for Environment, Nature Conservation and Nuclear Safety. The ministry was established by chancellor Helmut Kohl on 6 June 1986 in response to the Chernobyl disaster and formed from departments of the Ministries of the Interior, of Agriculture and of Health. Important state regulations during his tenure were the change of the car tax law for the introduction of low emission cars and the detergent Act of 5 March 1987.

He left the Federal Ministry for Environment to become the 5th Minister President of Hesse (1987–1991). As Minister-President he also served as the 39th President of the Bundesrat from May to October 1987. He was a member of the Christian Democratic Union.