Sir Gerard Leslie Makins Clauson (28 April 1891 – 1 May 1974) was an English civil servant, businessman, and Orientalist best known for his studies of the Turkic languages. He was born in Malta.
The eldest son of Major Sir John Eugene Clauson, Gerard Clauson attended Eton College, where he was Captain of School, and where, at age 15 or 16, he published a critical edition of a short Pali text, "A New Kammavācā" in the Journal of the Pali Text Society. In 1906, when his father was named Chief Secretary for Cyprus, he taught himself Turkish to complement his school Greek. He studied at Corpus Christi College, Oxford, in classics, receiving his degree in Greats, then became Boden Scholar in Sanskrit, 1911; Hall-Houghtman Syriac Prizeman, 1913; and James Mew Arabic Scholar, 1920. During World War I, he fought in the battle of Gallipoli but spent the majority of his effort in signals intelligence, concerned with German and Ottoman army codes.