Stanley Keith Pearl (21 December 1893 – 9 August 1986) was an Australian sapper with the First Australian Imperial Force during World War I. Stanley Keith Pearl was born on 21 December 1893 in Ulverstone, Tasmania, the youngest child of Charles Pearl and Sophia Ann Wells. After enlisting at the town of Ulverstone in Tasmania on 9 November 1915 at twenty-one years of age, Pearl, in August 1916, became a sapper with the Australian 5 Field Company Engineers. He performed this role for the duration of the war.