Sir William Magnay, 2nd Baronet (1855-1917) was an English baronet and novelist. He was a son of Sir William Magnay, 1st Baronet, and succeeded him to the title in 1871. He married in 1879, and was himself succeeded by his son Christopher Magnay, born 1884. He was a prolific novelist, and published twenty- five novels before his death; a further three were brought out posthumously. His works include: The Red Chancellor (1901), Count Zarka (1903), Fauconberg (1905), The Mystery of the Unicorn (1907), The Powers of Mischief (1909), The Fruit of Indiscretion: A Society Mystery (1913) and The Hunt Ball Mystery (1918).