Maurice Casey (Sunderland, 1942 – May 10, 2014) was a British scholar of New Testament and early Christianity. He was an emeritus professor at the University of Nottingham, having served there as Professor of New Testament Languages and Literature at the Department of Theology.
Casey's father was the Anglican vicar of Wheatley Hill, but after his death his mother moved to Chevington and Casey to boarding school at Woodbridge School, Suffolk. He entered Durham University having intended to become an Anglican priest, but changed his views in 1962 while completing his undergraduate degree in theology. Casey stated that he had not held any religious beliefs since.
Casey's work argued strongly for Aramaic sources behind the New Testament documents, specifically for Q and the Gospel of Mark.
Casey's Aramaic ideas were challenged by Stanley E. Porter in Excursus: A response to Maurice Casey on the Languages of Jesus citing modern scholarship, that the linguistic environment of Roman Palestine was probably multilingual.
He also contributed works on early Christology and the use of the term Son of Man within the New Testament Gospels in reference to Jesus.