Franz Klein (24 April 1854 – 6 April 1926) was an Austrian jurist and politician, who served as Minister of Justice towards the end of the Austro-Hungarian Empire. Born in Vienna, Klein studied and later taught law there, achieving habilitation in the law of civil procedure and Roman law in 1891. His essay Pro Futuro, in which he called for civil procedure reform, led to his appointment as an official with the Ministry of Justice, where he drafted the Austrian code of civil procedure, among several other laws. He helped strengthen the investigative authority and responsibility of the judge to