Granet is a French surname. Notable people with the surname include: André Granet, French architect Bert Granet (1910–2002), American television producer Edward John Granet (1858–1918), British army officer François Marius Granet (1777–1849), French painter Guy Granet (1867–1943), British railway administrator Marcel Granet (1884–1940), French sociologist Roger Granet (born 1947), psychiatrist, psycho-oncologist, and author