Marvin W. Meyer (April 16, 1948 – August 16, 2012) was a scholar of religion and a tenured professor at Chapman University, in Orange, California.

Meyer was the Griset Professor of Bible and Christian Studies at Chapman University and Director of the Albert Schweitzer Institute.

He was also Director of the Coptic Magical Texts Project of the Institute for Antiquity and Christianity.

Dr. Meyer authored numerous books and articles on Greco-Roman and Christian religions in antiquity and late antiquity, and on Albert Schweitzer's ethic of reverence for life.

Meyer was best known for his translations of the texts of documents associated with the ancient mystery religions, early Christian magic, and Gnostic texts, of which the most notable have been the Gospel of Thomas and the Gospel of Judas, the former of which is included among the Nag Hammadi library.