Irmfried Eberl (8 September 1910 – 16 February 1948) was an Austrian psychiatrist and medical director of the euthanasia institutes in Brandenburg and Bernburg, who helped set up and was the first commandant of the Treblinka extermination camp where he worked as SS-Obersturmführer from 11 July 1942 until his dismissal on 26 August 1942. He was arrested after the end of the war in January 1948. Eberl hanged himself the following month to avoid trial.