English novelist, son of Edward and Constance Garnett, who was the most popularly acclaimed writer of this literary family.

A prolific writer, he is best known for his satirical fantasies Lady into Fox (1922), the tale of a man whose wife is suddenly transformed into a fox, and A Man in the Zoo (1924), concerned with a man who is accepted by the London Zoo to be exhibited as an example of Homo sapiens. Later novels, not fantastic, were not so successful. In The Golden Echo (1953), The Flowers of the Forest (1955), and The Familiar Faces (1962) Garnett described his memories of the English literary coterie—including the Bloomsbury group—of which he was a member during the period of World War I and the 1920s. Great Friends: Portraits of Seventeen Writers (1980) continued in the same vein. His other novels include Aspects of Love (1955), Two by Two (1963), and A Clean Slate (1971). He edited several collections of correspondence, including The Letters of T.E. Lawrence (1938) and Carrington: Letters and Extracts from Her Diaries (1978).