Gerd Rüdiger Puin (born 1940) is a German scholar of Oriental studies, specializing in Quranic palaeography, Arabic calligraphy and orthography.[1] He was a lecturer of Arabic language and literature at Saarland University in Saarbrücken, Germany.[1] In regards to his approach of historical research, Puin is considered a representative of the "Saarbrücken School", which is part of the Revisionist School of Islamic Studies.