Gerd Pfeiffer (22 December 1919 – 1 February 2007) was a German jurist who served as the fourth President of the Federal Court of Justice of West Germany from 1977 to 1987.

In March 1937, Pfeiffer finished his Abitur and was recruited into the Reich Labour Service (German: Reichsarbeitsdienst, abbr.

In 1979, he was named the speaker of a celebration for the centenary of the Reich Court (German: Reichsgericht), where he gained notoriety for successfully defending the conservative tradition of the court before 1933, while at the same time denouncing Nazi excesses committed through the judicial system and describing the changes to the legal system since 1945.

Using his abilities as the head of the Ethics Commission of Freiburg, as well as the chairman of the scientific council of the exposition "Justice and National Socialism" (German: Justiz und Nationalsozialismus) in 1989.

Additionally, he opposed the policy on turn state's evidence pursued by the then-Federal Minister of the Interior Friedrich Zimmermann.