Edmund Leach was a British social anthropologist. Leach was born in Sid mouth, Devon, the youngest of three children and the son of William Edmund Leach and Mildred Brierley.
His father owned and was manager of a sugar plantation in northern Argentina. In 1940 Leach married Celia Joyce who was then a painter and later published poetry and two novels. They had a daughter in 1941 and a son in 1946.