Konrad Schäfer (7 January 1911 – after 1951) was a Nazi German physician who served as a researcher at the Institute for Aviation Medicine in Berlin.

[1] During the Doctors' Trial, he was accused of conducting human experimentation in the Dachau concentration camp, but was acquitted.

[2] Schäfer received his doctorate in 1936, and from 1937 he worked part time as an assistant at the chemotherapeutic laboratory of Schering AG.

[2] In November 1941 he went to the Luftwaffe Medical Testing and Training Department (Sanitätsversuchs- und Lehrabteilung der Luftwaffe) in Jüterbog and reported on the results of human experiments in the Dachau concentration camp on the subject of thirst and thirst control at the Seenot Conference in October 1942.

He is regarded as the inventor of a method for seawater desalination, which was tested on 44 Roma in the Dachau concentration camp in 1944.