Sidney Greenbaum (31 December 1929 – 28 May 1996) was a British scholar of the English language and of linguistics.
With Randolph Quirk and others, he wrote A Comprehensive Grammar of the English Language (Longman 1985).
Greenbaum studied at Jews' College, London, and was a qualified minister of religion although he never held a paid ministerial position.
According to the Oxford Dictionary of National Biography entry on Greenbaum, "In 1990 Greenbaum resigned the Quain chair at University College following his conviction in London of a number of charges of sexual assault on young boys.
"[1] Novelist Naomi Alderman has identified Greenbaum as having groomed and abused her when she was a child.