Helmut Vetter was an SS-Hauptsturmführer and a Nazi war criminal.
Vetter was a doctor at the Auschwitz extermination camp, appointed chief doctor by Reichsführer-SS Heinrich Himmler. He joined other doctors (such as Hans Koenig, Thilon, and Fritz Klein) in the task of choosing employable Jews to operate the industrial machines and sending others to the gas chambers.