Klaus Buchner (born 6 February 1941) is a German university professor,[1] physicist,[2] and an MEP for the green-conservative Ecological Democratic Party (ÖDP).

[3] He has represented the European Parliament Germany constituency from 2014 until July 2020.

He sat with the Greens–European Free Alliance group in the European Parliament.

Buchner is a fellow of the European Institute for International Law and International Relations.

This article about a Member of the European Parliament from Germany is a stub.