Louis François Cazamian (2 April 1877 – 22 September 1965) was a French academic and literary critic.
He was the author of many books in both French and English dealing with English literature, including A History of English Literature (1927, with Émile Legouis), Le Roman Social en Angleterre (an early study of the social novel), and The Development of English Humor (1952).
He delivered the 1931 Andrew Lang Lecture, "Andrew Lang and the Maid of France".
He received honorary degrees from Oxford, St Andrews, and Durham.
He was professor of modern English literature and civilization at the Sorbonne from 1925–1945.
He supervised, among others, Raja Rao and Dragos Protopopescu in their time at the Sorbonne.
He is thanked in the preface to Ian Watt's The Rise of the Novel.