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.
In 1934 he became an associate professor at the university, attaining a full professorship during the following year.
In 1938 Pretzl documented the emergence of a de facto islamic canonical text, namely the 1924 Cairo edition of the Quran.
Pretzl listed the variants between the orthography of the Cairo text and the recommendations of Andalusian Qurʾān reciter, Abu Amr al-Dani (d.