Otto Pretzl (Ingolstadt, 20 April 1893 – Sevastopol, 28 October 1941) was a German Arabist-orientalist, who specialized in Koranic studies.
From 1912 he studied at the Pontifical Gregorian University in Rome, and in 1920 was ordained as a priest in Freising.
Afterwards, he studied theology and Oriental languages at the University of Munich, where he later qualified as a lecturer in Old Testament exegesis (1928) and Islamic and Semitic languages (1933).
In 1934 he became an associate professor at the university, attaining a full professorship during the following year.
In 1937 he became a member of the Bavarian Academy of Sciences.