Günter Petzow (8 July 1926 – 4 February 2024) was a German materials scientist and the director at the Max Planck Institute for Metals Research.
He studied Chemistry and Physical Metallurgy at the University of Stuttgart and the Max Planck Institute for Metals Research.
Afterwards, he took over as the head of two research groups: phase diagrams of metallic systems and metallography in Stuttgart.
He was chairman of the European Action COST 507 "Measurement and Evaluation of Thermochemical and Thermophysical Properties to Provide a Database for the Development of New Light Alloys".
The "Günter Petzow Prize" for outstanding research is awarded to a young scientist each year at an annual summer colloquium in Stuttgart.